valves and fittings meaning in English
阀及其配件
阀门附件
阀门和管件
阀门和配件
Examples
- General specifications for marine piping valves and fittings
船舶管路阀件通用技术条件 - Manufacturers standardization society of the valve and fittings industry
阀及配件制造者标准协会 - Underground service line valves and fittings
地下管道阀门和配件 - Marks for marine piping valves and fittings
船舶管路附件的标志 - Widths across flats for bolts , screws , valves and fittings
第1部分:螺栓螺钉阀门和配件用扳手开口度