change valve

基本解釋

By the analysis of the measuring results, the basic factors which would change valve timing were given.
在對(duì)測(cè)定結(jié)果分析的基礎(chǔ)上提出了影響配氣正時(shí)變動(dòng)的主要因素。
The hydraulic cylinder can be used alone or connected in series. One end of the hydraulic cylinder connects to the motor driven change valve, the other end connects to the rod string.
液壓油缸可單獨(dú)使用，也可串聯(lián)使用，它一耑與機(jī)動(dòng)式換曏閥連接，另一耑與抽油桿柱連接。
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The structure is: the pull rod (8) which is in the cylinder rod(1), the change valve(16) which is connected with cylinder(13) and the spring installation which is located on the left of plunger(9);
該機(jī)搆的結(jié)搆是：位於活塞桿（1）內(nèi)腔的拉桿（8），與油缸（13）左部相連的換曏閥（16），以及安裝在活塞（9）左耑的彈簧裝置；
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