例句與造句

1. Automatic drain valves for standpipe systems
   儲水系統(tǒng)用自動排水閥
2. Automatic drain valve
   自動排水閥
3. Automatic drain valve
   自動放水閥
4. Process water provides sealing and cooling water to the pump and automatic drain valves allow flushing of the gland seals
   工藝水對泵起密封和冷卻的作用，自動排水閥控制對氣封裝置的清洗。
5. It's difficult to find automatic drain valve in a sentence. 用automatic drain valve造句挺難的