The disc assembly maintains contact with the guides through the full valvestroke.
这个阀瓣总成在阀门全行程中保持与导向装置的接触。
2
The face seals provide constant guiding throughout the valvestroke, maintaining continuous contact with the gate.
在阀门闸板运动的全过程中,密封面都对闸板提供恒定的引导,保持与闸板连续稳定的接触。
3
It introduces some advanced technologies which increase the charging efficiency, such as the variable length of the intake duct, the variable valvestroke, the variable valve timing and so on.