常見例句雙語例句The valve rod (steel 35)is nitrided in the fluid soft nitriding process, the main material being made up of urea.采用以尿素為主要原料的液體軟氨化工藝,對閥桿(35鋼)進行了氮化處理。The device and the plant have simple structures and high efficiency; the valve rod processed by the device effectively prevents leakage and prolongs the service life of the valve.本裝置和設備結構簡單,效率高,經該設備加工的閥桿, 有效地防止了泄漏,延長了閥門的使用壽命。ip.comWhen the discharge pressure keeps constant, the relationship between displacement of valve rod and suction pressure, wobble plate case pressure, flow rate through control valve have been obtained.研究結果得出了當排氣壓力恒定時,閥桿位移同吸氣壓力、搖板箱壓力以及控制閥流量的穩(wěn)態(tài)特性關系。 返回 valve rod