Most tachometers measure the speed of rotation of a spinning shaft or wheel in t

游客2025-01-28 27

问题 Most tachometers measure the speed of rotation of a spinning shaft or wheel in terms of revolutions per minute.

选项 A、pumping
B、wavering
C、floating
D、whirling

答案 D

解析 spinning(旋转的)；whirling(与spinning同义)；pumping(抽水的)；wavering(摇摆的)；floating(漂浮的)。

转载请注明原文地址:https://tihaiku.com/zcyy/3932637.html

相关试题推荐

随机试题

最新回复(0)

Thepressureonherfromherfamilycausedhertoresorttothedrasticmeasures