The crank is important machine elements in the drivers that worked most intensity, stand more and complex intercharge loads.
曲轴是发动机中工作强度最大，承受较多复杂多变载荷的重要零件之一。
Hand crank can be mounted on either side of the drill stand.
手动曲柄可安装在钻台的任何一侧。
Hand crank can be mounted on either side of the drill stand.
手动曲柄可安装在钻台的任何一侧。
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