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t形焊缝
meaning in Chinese
tee 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
无焊缝钢管
t形管接头
t形焊
t形焊接
t形划线规
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