法兰和管配件用灰铁铸件 meaning in Chinese
standard specification for gray iron castings for valves flanges and pipe fittings
Examples
- Standard specification for gray iron castings for valves , flanges , and pipe fittings
阀门法兰和管配件用灰铁铸件的标准规范
standard specification for gray iron castings for valves flanges and pipe fittings