机械驱动式机械手臂只用于动作固定的场合。

Mechanically driven mechanical arm for use only in fixed position.

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此外，如同某些空间局促的大学图书馆，这里的标本架是机械式的，利用马达和转盘来驱动。

And like in some cramped university libraries, motors and wheels mechanically move the shelves with the turn of a dial.

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恒速驱动装置，将发动机齿轮箱的可变转速转变为恒速以驱动电源的液压机械式部件。

Constant speed drive, a hydro-mechanical component for changing variable engine gearbox speed to constant speed to drive the electrical power.

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