... butt rot 干基腐烂 butt seal 对头封接 butt seam inspection method 对接焊缝探伤法 ...
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tubular butt seal 管状的平焊接
The parting surfaces of a mould are those portion of both mould plates, adjacent to the impressions, which butt together to form a seal and prevent the loss of plastic material from the impression.
模具的分型面是两模板接近型腔的那些部分，它们对接一起形成油封并且避免型腔里塑性材料的损失。
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