例句與造句

1. The servo clutch used an electric switch that supplied manifold vacuum via an actuator valve to a reservoir that disengaged the cluch.
2. The 500 cc bikes used a wet multiplate clutch, while the 998 cc V-twins used a dry, drum-type servo clutch.
3. It's difficult to find servo clutch in a sentence. 用servo clutch造句挺難的