weld-end fittings焊接: weld; welding; soldering; se ...管件: pipe fitting鋼焊接管件: steel-welding fittings接管零件,管件: pipe fitting焊接管: weld pipe; welded pipe; welded tube; welded tubing; weldedpipe; weldedtube; welding pipe下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯