welding bell
1 ... welding bead length 焊缝长度 welding bell (焊管用)碗模 welding bellows 焊接波纹管 ...
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例如，新型浇模机可以用塑料制造出一整套盘子、碟子和碗，按照某种设计给它们上色、描花。
A machine could, for instance, make a complete set of plates, dishes and bowls out of plastic, coloured and decorated to a design.
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