... 紧固手轮 closing handle 操作手轮 hand wheel 调整手轮 Adjusting hand wheel ...
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操作手轮
Operating hand wheel
以上为机器翻译结果，长、整句建议使用 人工翻译 。
本装置由人力操作手轮，通过锥形齿轮等减速传动，直接驱动阀门阀杆上下移动，启闭阀门。
The device by the human operator launches, such as through the cone-shaped gear reducer drive, direct drive valve stem up and down movement of the valve gate.
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模块上移
模块下移
不移动