短語(yǔ)詞組短語(yǔ)weld -line location 熔接線(xiàn)位置No weld -line 確認(rèn)熔合線(xiàn)完全消失curvilinear -weld-line 曲線(xiàn)焊縫control of weld -line 焊縫控制auto -searching weld line 自尋跡 返回 weld-line