她卸下了照相机上的胶卷推进机械装置。

She disengaged the film advance mechanism on the camera.

《柯林斯英汉双解大词典》

当“打开”按钮被推进时，这个CD机有个机械装置。

It had a mechanism when the "open" button was pushed.

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水下舰艇武器推进泵的机械密封装置的工作压力波动、使用频率小，并要求可靠性高。

The mechanical seal utilized in submarine's weapon ejection pump works under fluctuant working pressure and is used in low frequency, and high reliability is indispensable.

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