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试验焊缝
meaning in Chinese
pilot seam
pilotseam
practice weld
sample weld
testing weld
Related Words
焊缝裂开
环状焊缝
焊缝腐蚀
封闭焊缝
焊缝面
竣工焊缝
背焊缝
焊缝间距
轻焊缝
交叉焊缝
试验过的检查过的
试验过的岩心
试验焊接
试验航迹
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