【简答题】请将这句话 Clutches are useful in devices that have two rotating shafts. In these devices, one of the shafts is typically driven by a motor or pulley, and the other shaft drives another device.翻译成中文。
【简答题】In an automated highway system, all the driver needs to do is ________. A) keep in the right lane B) wait to arrive at his destination C) keep in constant touch with the computer center D) inform. the...