杆行程的英文

例句与用法

1. Needle bar stroke
   针杆行程
2. Valve running thrust which represents 90 % of the travel of the valve stem can be determined by adding stem load and stem packing friction
   阀门运行推力只是阀门阀杆行程力的90 % ，因此测算阀门推力时，要加上阀杆负载和阀杆填料摩擦力。