welding shrinkage allowance
welding shrinkage allowance
焊接收缩余量
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Provided that the reasonable welding shrinkage allowance is reserved during the manufacture of steel structure products, the unnecessary machining procedure can be avoided.
钢结构件制造中，预留合理的焊接收缩量，可减少不必要的加工工序。
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