differential temperature drawing
differential temperature drawing
差温拉伸
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Differential temperature drawing in deep sleeve parts can reduce coefficient and times of drawing, then cut down the cost.
用温差拉深工艺成形深筒形件能大幅度降低拉深系数，减少拉深次数，降低生产成本。
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