阀杆衬套的英文

valve lever bushing

valve stem bush

• 阀杆:    valve stem; valve ...
• 衬:    line; place sth. u ...
• 回动阀杆衬套:    reversing valve ro ...

例句与用法

1. Backseat ? machined bonnet stem bushing provides back - up stem seal
   后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。