Because it is in the hot working environment, gas valverod shape may be deformed.
由于是在炙热的环境下工作，气阀门杆的外形有可能会变形。
2
The valverod (steel 35) is nitrided in the fluid soft nitriding process, the main material being made up of urea.
采用以尿素为主要原料的液体软氨化工艺，对阀杆(35钢)进行了氮化处理。
3
When the discharge pressure keeps constant, the relationship between displacement of valverod and suction pressure, wobble plate case pressure, flow rate through control valve have been obtained.