单杆操作  Single-pole operation

动力分导操作杆  power take-off shaft horsepower

斗杆操作油路  stick operating circuit

杠杆操作  Leverage operation

固定操作杆  firm handle

减振器操作杆  damper operating rod

控制杆操作  aerobic fermentation method

联杆操作补给装置  burton rig

链杆操作阀  link motion valve

起动操作杆  priming lever

起重机油泵操作杆  hoist pump operating lever

线夹操作杆  clamp stick

中心杆操作器  central mast manipulator

主操作杆  master lever; handle; master

自动转换开关手操作杆  ats manual operating handle

钻杆操作  Pipe-handling System

操作者变速杆开关  operator shift lever switch

操作者操纵杆  operator control lever

操作者杠杆作用力  operator lever effort