duplex phase stainless steel

• 双相不锈钢

duplex phase stainless steel的用法和样例：

例句

1. Dual-phase stainless and seamless steel pipe is a item approved by National Standard Technology Committee of Boiler Pressure Vessel and province creative products.
   双相不锈钢无缝钢管项目是经国家锅炉压力容器委员会认可和经过省级新产品鉴定的项目。