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Most tachometers measure the speed of rotation of a spinning shaft or wheel in t
Most tachometers measure the speed of rotation of a spinning shaft or wheel in t
游客
2023-12-30
12
管理
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)。
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