steel casing英语标准发音:steel casing英式发音:美式发音:翻译中文钢套管steel casing - 基本释义[词典1]铁壳steel casing - WEB词典steel casing铁壳钢护筒钢套管Stainless Steel Head Casing不锈钢套管头steel pile casing钢护筒 参考资料: 1.百度翻译:steel casing2.有道词典:steel casing3.爱词霸:steel casing