false boss
... 活塞销凸台 Pin boss 工艺凸台 false boss 凸台形体 boss-shaped body ...
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对带凸台的大型饼类锻件，可采用漏盘镦挤工艺进行生产。
For a heavy forging with bulge, the upsetting-extruding process can be adopted.
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论述了焊接凸台衬圈的优点、改装工艺及在产品上的应用。
The advantages of this backing, the concept designed for it, welding procedure and successful use in production are introduced in the paper.
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