REXROTH溢流閥型號齊全/力士樂供應商天添公司代(dai)理(li)銷售原(yuan)裝德國REXROTH比例溢流(liu)閥(fa)，力士樂比例換向(xiang)閥(fa)，REXROTH比例節流(liu)閥(fa)，液(ye)壓閥(fa)，電子傳動與(yu)控制備件(jian)，齒輪技術備件(jian)，工業(ye)液(ye)壓等系列產品，廠家直接下(xia)單，質量(liang)保證，貨期短，可提供報關單待證明，歡迎(ying)新(xin)老客戶(hu)前來詢價采購。

力士(shi)樂Rexroth溢流閥一般(ban)有兩種(zhong)結構：

　　1、直動型溢(yi)流閥 。

　　2、先導(dao)式(shi)溢流閥。

　　對(dui)溢(yi)流閥的主要(yao)(yao)要(yao)(yao)求：調壓(ya)范圍大，調壓(ya)偏差小，壓(ya)力(li)振擺小，動作靈(ling)敏，過載(zai)能力(li)大，噪聲小力(li)士樂Rexroth溢(yi)流閥為(wei)疊加式先(xian)導溢(yi)流閥，用以限(xian)制(zhi)系(xi)統(tong)壓(ya)力(li)，其在(zai)液壓(ya)系(xi)統(tong)中，主要(yao)(yao)有以下兩個用途。

　　壓力(li)穩(wen)定與調節。例(li)如(ru)使用于(yu)由定量泵(beng)組成的(de)液(ye)壓源，調節泵(beng)的(de)出口壓力(li)，使其保持(chi)恒壓。

　　限制壓(ya)力(li)(li)。如果作(zuo)為力(li)(li)士樂溢流閥使用，則(ze)在(zai)系(xi)統正常工作(zuo)時溢流閥關閉，僅在(zai)系(xi)統壓(ya)力(li)(li)大于其調節壓(ya)力(li)(li)時溢流閥打(da)開，對系(xi)統起到過負(fu)載的(de)(de)保護(hu)作(zuo)用。為了保證安(an)(an)全性(xing)，在(zai)溢流閥中，溢流閥可用作(zuo)安(an)(an)全閥的(de)(de)一種，除溢流閥常開、安(an)(an)全閥常閉外，在(zai)結構上，一般安(an)(an)全閥均采用直動溢流閥，以保證安(an)(an)全性(xing)。

力士樂溢流閥在系統(tong)(tong)中起(qi)安全(quan)保(bao)護作用。當系統(tong)(tong)壓(ya)力超過規(gui)定值時，安全(quan)閥頂開(kai)，將系統(tong)(tong)中的一部分氣(qi)體(ti)排入大氣(qi)，使系統(tong)(tong)壓(ya)力不超過允(yun)許值，從(cong)而(er)保(bao)證系統(tong)(tong)不因(yin)壓(ya)力過高而(er)發生事故，詳情如下：

一、力士樂(le)溢流閥DBET型的功能：

溢(yi)流(liu)閥是一種液壓(ya)壓(ya)力控制閥，在液壓(ya)設備中主要起定(ding)壓(ya)溢(yi)流(liu)，穩壓(ya)，系統(tong)卸荷(he)和安(an)全保(bao)護作用(yong)。溢(yi)流(liu)閥在裝(zhuang)(zhuang)配或使用(yong)中，由于(yu)O形密(mi)封圈(quan)、組(zu)合密(mi)封圈(quan)的損(sun)壞，或者安(an)裝(zhuang)(zhuang)螺釘、管接頭的松動，都可能造(zao)成不(bu)應有的外泄漏。

二、力士樂溢流(liu)閥DBET型的作用：

（1）定壓溢流作用

在(zai)定量(liang)泵(beng)節(jie)流(liu)調節(jie)系統中，定量(liang)泵(beng)提供的是恒定流(liu)量(liang)。當系統壓(ya)力增大時，會(hui)使流(liu)量(liang)需求減小。此時溢流(liu)閥開啟，使多余流(liu)量(liang)溢回油箱，保證力士樂溢流(liu)閥進口(kou)壓(ya)力，即泵(beng)出口(kou)壓(ya)力恒定。

（2）穩壓作用

溢(yi)流閥串(chuan)聯在回油(you)路上，溢(yi)流閥產生背壓，運動部件平穩性增加。

（3）系統卸荷作用

在力士(shi)樂溢流(liu)閥(fa)的遙控(kong)口串接(jie)溢小(xiao)流(liu)量(liang)的電(dian)磁閥(fa)，當電(dian)磁鐵通電(dian)時，力士(shi)樂溢流(liu)閥(fa)的遙控(kong)口通油(you)箱，此時液壓泵卸(xie)荷。溢流(liu)閥(fa)此時作為卸(xie)荷閥(fa)使用。

（4）安全保護作用

系統正常工作(zuo)時(shi)，閥門(men)關(guan)閉。只(zhi)有負載超過規定(ding)的極*開啟溢流，進(jin)行過載保護，使系統壓力不再增加。

（5）實(shi)際(ji)應用中一般有

作卸荷(he)閥用(yong)，作遠程調壓(ya)閥，作高低壓(ya)多級控(kong)制閥，作順序(xu)閥，用(yong)于產生背壓(ya)。

力士樂Rexroth溢流閥的主要用途：

　　（1）調(diao)壓和穩壓。如用在定量泵構成的(de)液壓源中(zhong)，用以調(diao)節泵的(de)出口壓力，保持該(gai)壓力恒定。

　　（2）限壓。如用作安(an)全閥(fa)，當系(xi)統(tong)正常工作時(shi)，溢(yi)流(liu)閥(fa)處(chu)于關閉狀態，僅僅在系(xi)統(tong)壓力大于其調(diao)定壓力時(shi)才開始(shi)溢(yi)流(liu)，對系(xi)統(tong)起(qi)過(guo)載保護(hu)作用。

　　溢(yi)流(liu)(liu)閥的特征(zheng)是：閥與負載想并聯，溢(yi)流(liu)(liu)口接回油箱，采(cai)用進口壓(ya)力負反(fan)饋(kui)。

Rexroth電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)通(tong)(tong)(tong)(tong)常與(yu)(yu)(yu)單(dan)作(zuo)(zuo)(zuo)(zuo)用(yong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)機構(gou)配(pei)套(tao)使用(yong)，兩(liang)(liang)(liang)位(wei)是(shi)(shi)兩(liang)(liang)(liang)個(ge)(ge)(ge)位(wei)置(zhi)可(ke)控(kong)：開-關，三(san)通(tong)(tong)(tong)(tong)是(shi)(shi)有(you)三(san)個(ge)(ge)(ge)通(tong)(tong)(tong)(tong)道(dao)通(tong)(tong)(tong)(tong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，一(yi) 般(ban)情況下1個(ge)(ge)(ge)通(tong)(tong)(tong)(tong)道(dao)與(yu)(yu)(yu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(yuan)(yuan)連(lian)(lian)接(jie)(jie)(jie)(jie)，另外兩(liang)(liang)(liang)個(ge)(ge)(ge)通(tong)(tong)(tong)(tong)道(dao)1個(ge)(ge)(ge)與(yu)(yu)(yu)執(zhi)(zhi)行(xing)(xing)機構(gou)的(de)進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)口(kou)(kou)連(lian)(lian)接(jie)(jie)(jie)(jie)，1個(ge)(ge)(ge)與(yu)(yu)(yu)執(zhi)(zhi)行(xing)(xing)機構(gou)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)口(kou)(kou)連(lian)(lian)接(jie)(jie)(jie)(jie)，具體(ti)的(de)工作(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)(li)可(ke)以(yi)(yi)參照單(dan)作(zuo)(zuo)(zuo)(zuo)用(yong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)機構(gou)的(de)工作(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)(li)圖。 兩(liang)(liang)(liang)位(wei)五(wu)(wu)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)通(tong)(tong)(tong)(tong)常與(yu)(yu)(yu)雙作(zuo)(zuo)(zuo)(zuo)用(yong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)機構(gou)配(pei)套(tao)使用(yong)，兩(liang)(liang)(liang)位(wei)是(shi)(shi)兩(liang)(liang)(liang)個(ge)(ge)(ge)位(wei)置(zhi)可(ke)控(kong)：開-關，五(wu)(wu)通(tong)(tong)(tong)(tong)是(shi)(shi)有(you)五(wu)(wu)個(ge)(ge)(ge)通(tong)(tong)(tong)(tong)道(dao)通(tong)(tong)(tong)(tong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，其中1個(ge)(ge)(ge)與(yu)(yu)(yu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(yuan)(yuan)連(lian)(lian)接(jie)(jie)(jie)(jie)，兩(liang)(liang)(liang)個(ge)(ge)(ge)與(yu)(yu)(yu)雙作(zuo)(zuo)(zuo)(zuo)用(yong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)缸(gang)的(de)外部(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)室的(de)進(jin)(jin)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)口(kou)(kou)連(lian)(lian)接(jie)(jie)(jie)(jie)，兩(liang)(liang)(liang)個(ge)(ge)(ge)與(yu)(yu)(yu)內部(bu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)室的(de)進(jin)(jin)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)口(kou)(kou)接(jie)(jie)(jie)(jie)連(lian)(lian)，具體(ti)的(de)工作(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)(li)可(ke)參照雙作(zuo)(zuo)(zuo)(zuo)用(yong)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)動(dong)(dong)執(zhi)(zhi)行(xing)(xing)機構(gou)工作(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)(li)在(zai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)（或(huo)液路(lu)(lu)(lu)）上(shang)來(lai)說，兩(liang)(liang)(liang)位(wei)三(san)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)具有(you)1個(ge)(ge)(ge)進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)（接(jie)(jie)(jie)(jie)進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(yuan)(yuan)）、1個(ge)(ge)(ge)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)（提(ti)供給(gei)目(mu)(mu)標設備氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(yuan)(yuan)）、1個(ge)(ge)(ge)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)（一(yi)般(ban)安(an)(an)裝一(yi)個(ge)(ge)(ge)消聲器，如果不怕噪音的(de)話也可(ke)以(yi)(yi)不裝@_@）。 Rexroth兩(liang)(liang)(liang)位(wei)五(wu)(wu)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)具有(you)1 個(ge)(ge)(ge)進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)（接(jie)(jie)(jie)(jie)進(jin)(jin)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(yuan)(yuan)）、1個(ge)(ge)(ge)正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)和1個(ge)(ge)(ge)反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)（分別提(ti)供給(gei)目(mu)(mu)標設備的(de)一(yi)正一(yi)反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)的(de)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源(yuan)(yuan)(yuan)）、1個(ge)(ge)(ge)正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)和1個(ge)(ge)(ge)反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)（安(an)(an)裝消聲器）。    對于(yu)(yu)小型自(zi)動(dong)(dong)控(kong)制設備，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)管(guan)一(yi)般(ban)選(xuan)用(yong)8~12mm的(de)工業(ye)膠氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)管(guan)。在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)上(shang)來(lai)說，兩(liang)(liang)(liang)位(wei)三(san)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)一(yi)般(ban)為(wei)單(dan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian) 控(kong)（即(ji)(ji)單(dan)線(xian)(xian)圈(quan)(quan)），Rexroth兩(liang)(liang)(liang)位(wei)五(wu)(wu)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)一(yi)般(ban)為(wei)雙電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)（即(ji)(ji)雙線(xian)(xian)圈(quan)(quan)）。Rexroth線(xian)(xian)圈(quan)(quan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓等級一(yi)般(ban)采用(yong)DC24V、AC220V等。 兩(liang)(liang)(liang)位(wei)三(san)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)分為(wei)常閉(bi)型和常開型兩(liang)(liang)(liang)種(zhong)，常閉(bi)型指線(xian)(xian)圈(quan)(quan)沒通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)是(shi)(shi)斷(duan)的(de)，常開型指線(xian)(xian)圈(quan)(quan)沒通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)是(shi)(shi)通(tong)(tong)(tong)(tong)的(de)。 常閉(bi)型兩(liang)(liang)(liang)位(wei)三(san)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)(li)：給(gei)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)(tong)，線(xian)(xian)圈(quan)(quan)一(yi)旦斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)就會(hui)(hui)斷(duan)開，這相當于(yu)(yu)“點(dian)動(dong)(dong)"。 常開型兩(liang)(liang)(liang)位(wei)三(san)通(tong)(tong)(tong)(tong)單(dan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)(li)：給(gei)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)斷(duan)開，線(xian)(xian)圈(quan)(quan)一(yi)旦斷(duan) 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)就會(hui)(hui)接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)(tong)，這也是(shi)(shi)“點(dian)動(dong)(dong)"。 兩(liang)(liang)(liang)位(wei)五(wu)(wu)通(tong)(tong)(tong)(tong)雙電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)(li)：給(gei)正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，則正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo) 氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)(tong)（正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)有(you)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)），即(ji)(ji)使給(gei)正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)仍然是(shi)(shi)接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)(tong)的(de)，將會(hui)(hui)一(yi)直維持(chi)到(dao)給(gei)反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)為(wei)止。 給(gei)反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，則反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)(tong)（反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)(kong)有(you)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)），即(ji)(ji)使給(gei)反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后反(fan)(fan)(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)仍然是(shi)(shi)接(jie)(jie)(jie)(jie)通(tong)(tong)(tong)(tong)的(de)，將會(hui)(hui)一(yi)直維持(chi)到(dao)給(gei)正動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)為(wei)止。這相當于(yu)(yu)“自(zi)鎖"。 基(ji)于(yu)(yu)兩(liang)(liang)(liang)位(wei)五(wu)(wu)通(tong)(tong)(tong)(tong)雙電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)的(de)這種(zhong)特性，在(zai)設計機電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)制回路(lu)(lu)(lu)或(huo)編制PLC程序的(de)時(shi)候，可(ke)以(yi)(yi)讓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)線(xian)(xian)圈(quan)(quan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo) 1~2秒就可(ke)以(yi)(yi)了(le)，這樣可(ke)以(yi)(yi)保(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)線(xian)(xian)圈(quan)(quan)不容易損壞。

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