parallel servos造句

例句与造句

1. The MR-63 model uses a series-to-parallel servo camshaft rheostat to control and regulate power to its traction motors; this control system can be heard tapping under the floor of a motor car as the train undergoes rapid acceleration at an initial rate of ( ).
2. It's difficult to find parallel servos in a sentence. 用parallel servos造句挺难的