Using the handwheel, turn the stem counterclock wise until it stops (50 ft./lbs.). A step on the stem has now been back-seated against the upper portion of the valve body.
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using the handwheel
使用手轮
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The format of data packet by using wireless communication was designed, and the encode and decode of electro-handwheel pulse were analysed.
设计了通过无线传输的有效数据包格式，并对电子手轮脉冲的编码与译码进行了分析。
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