handling lever造句

例句与造句

1. The flapper valve has a simple lift chain from the handle lever to the flapper valve.
2. Control of the engine is linked to the collective pitch lever, power being automatically controlled by the rotor pitch setting being commanded; fine adjustment of engine power is achieved via twisting actions on the pitch handle lever.
3. It's difficult to find handling lever in a sentence. 用handling lever造句挺难的