Flooding irrigation motor bolts should be open, filled with clean water after the bolt tightening, and then dive into the water.
水浸电机应打开灌水螺栓，灌满洁净的清水后拧紧螺栓，再潜入水中。
There is defects on the surface and near surface of the bolt in canned motor pump because of manufacturing technique.
由于屏蔽电动机螺栓的制造工艺所决定，在其表面及近表面易存在缺陷。
The structure can convert the rotation of a drive belt pulley into the plane curve movement of the pivot bolt, realize motor driving of the stapler and ensure the stapling strength and quality.
采用这样的结构后，可以实现将主动带轮的转动转变为枢轴螺栓的平面曲线运动，实现订扣机的电机驱动，保证订扣力度和订扣质量。
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