本文介绍了圆盘造球机的一种新型调角装置，即为具有角度指示器的手动蜗轮蜗杆装置。

A new kind of Angle adjusting device for disk pelletizer is introduced in this paper. It is a manual worm gearing with an Angle indicator.

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所有的起重机都应当有主钩的起重能力指示器和扒杆角度指示器，并且起重机司机要看得见。

All cranes will be equipped with a functional weight indicator on the main hoist and a boom Angle indicator, both visible by the operator.

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旋标装置飞机控制板上的指示器或观测仪，用来测量角度。

An indicator or a sighting apparatus on a plane table, used in angular measurement.

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