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焊缝接管
meaning in English
welded pipe tube
Related Words
购股接管
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
焊缝检验
焊缝角变形
焊缝接距
焊缝接头
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