On reciprocating engine installations, the tachometer usually shows the propeller revolutions per minute(RPM).
A、在涡轮发动机上，加速度计通常显示螺旋桨每分钟的加速度。
B、在活塞式发动机上，转速表通常显示螺旋桨每分钟的转数。
C、在活塞式发动机上，加速度计通常显示螺旋桨每分钟的加速度。
发布时间：2025-02-18 20:50:51
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答案：B
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