例句與造句

1. Optimal scheduling of variable - pressure variableflow operation in a water supply station
   供水泵站變壓變流量運行優(yōu)化調(diào)度
2. Energy consumption analysis on constant - pressure variable - frequency water supply and variable - pressure variable - frequency water supply
   變頻調(diào)速恒壓與變壓供水的能耗分析
3. It's difficult to find variable-pressure in a sentence. 用variable-pressure造句挺難的