词语acetylene welding
解释气焊/乙炔焊
acetylene welding〔名词〕乙炔焊详细»
acetylene welding〔名词〕乙炔焊,乙炔焊接详细»
acetylene welding〔名词〕乙炔焊,气焊详细»
acetylene welding〔名词〕乙炔焊,气焊,乙炔焊详细»
acetylene welding乙炔焊,乙炔气焊,气焊详细»