butt-jointed seam 对接焊缝...seam n.缝合线,衔接口,接缝,线缝...butt seam 对接;对接接合;对头接合...butt seam welding 对接缝电阻...lap seam weld 搭缝熔接...tube seam 管缝...vertical seam 垂直缝...seam welding 缝焊...circular seam 环缝...weld(ing) seam 焊缝...coal seam 煤层煤层...seam angle 转角接缝...brazed seam 黄铜钎缝...pigment seam 色素缝...flat butted seam 对头接缝...
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