常見(jiàn)例句雙語(yǔ)例句Valve for the hydraulic rod to mention, the automatic adjustment of valve clearance.氣門提桿為液壓式，氣門間隙不是手動(dòng)調(diào)節(jié)。shiwt.comAn automatic back pressure adjustment complex valve combining hydraulic control check valve, overflow valve and auto-adjusting back pressure valve has been developed.開(kāi)發(fā)了一種集液控單向閥、溢流閥和自調(diào)整背壓閥于一體的背壓自調(diào)整復(fù)合閥。 返回 automatic hydraulic adjustment