fabricated cover side 装配的盖侧
The complex pump body in the pump is fabricated by that a pump body, a whorl casing, a liquid inlet pipe, and a cover plate are assembled.
泵中复杂泵体由泵体、涡壳、进液管及盖板等部分组装而成。
The upper cover is fabricated by drawing die set, with much higher strength than welding process. It also avoids the corrosion of the joints caused by welding.
上盖采用整体拉伸成型的工艺制作而成，坚固性和外形的稳定性远远高于普通焊接成型工艺，也避免了因焊接所导致的铁板连接部位腐蚀的问题；
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