... 单面v形对焊接 single v butt joint 单面斜对焊接 single bevel butt joint; single-bevel butt joint 双面v型对焊接 double v butt joint ...
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single bevel butt joint 单刃接头 ; 单面斜对焊接
single bevel butt joint WESTBANK 单刃接头
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