短語詞組短語welded fin tube 焊片式翅片管welded square tube 方管型鋼welded pipe tube 焊縫接管welded steel tube fuselage [機(jī)]焊管機(jī)身welded fins tube 焊片管electrically welded precision tube 精密電焊管welded gas tube 焊接氣管Welded Steel Tube 焊接鋼管;燒焊鋼管Welded brass tube 黃銅焊接管 返回 welded tube