该装置主要由调整座、丝杠、斜齿条和专用扳手组成。
The new unit is mainly made up of adjusting base, leading screw, diagonal rack and special spanner.
本发明提供了一种具有齿条和小齿轮调整机构的颈圈。
The present invention provides a cervical collar with a rack and pinion adjustment mechanism.
多条输送皮带都装有齿轮和齿条装置，可调整皮带的左右位置。
The transmission belts installed with gear and rack device, the position of belts can be adjusted.
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