常見例句雙語例句Ductile Iron Pipe and Fitting.球墨鑄鐵管件。The production of ductile iron pipe fittings by using united assembly core has been briefly introduced in this paper.介紹了采用組合砂芯的工藝方法生產(chǎn)球鐵管件，以及制造此類砂芯的簡易射芯機。Semi-steel's speciality and market information of ductile iron pipe and centrifugal pipe casting technique are introduced.對副產(chǎn)半鋼的特性和球墨鑄管的市場、生產(chǎn)工藝進行了分析。 返回 ductile iron pipe