Most tachmeters measure the speed of rotation of a ______ shaft or wheel in terms of revolution per minute.A.pumping B.w
问题描述：
Most tachmeters measure the speed of rotation of a ______ shaft or wheel in terms of revolution per minute.A.pumping B.watering C.floating D.whirling
答
D 旋转的我不会翻译能翻译吗大多数转速表测量旋转的轴或车轮的速度依据它们每分钟的旋转满意请采纳，谢谢，这句翻译不明白可以继续问tachometer我打错了少了一个orevolution这里"旋转"的意思吧？tachometer 是转速计或者流速计对的不是"革命"revolution有革命，旋转，运行，循环的意思，这句话里就是旋转了