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water-vapour welding例句_water-vapour welding英汉例句_water-vapour welding双解例句_94生活常识网有道词典
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water-vapour welding

W 开头单词

常见例句

    双语例句

  • Using the heat of welding to vapour water, cooling rates are lowered on the weld bead and heat -affected zone.
    利用焊接时的加热使水汽化，不仅使焊道而且使热影响区的冷却速度减慢。
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