保证供水流量

duty water的用法和样例：

例句

The simulation results show that the method descried here can obtain global approximate optimal values of the volume and pressure of water supply.仿真结果表明，该方法能够得到供水流量和供水压力的全局近似最优值。

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ahram

aluminum-cell arrester

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antigen reactive cell

autoprotolysis constant

biphenyl acetaldehyde