检查流量计，压力表和其他记录仪器，测量水的输出水平和消费水平，细菌含量，氯和氟水平。

Read flow meters, gauges and other recording instruments to measure water output and consumption levels, bacterial content, chlorine and fluoride levels.

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一种含磷酸酯叔氟水分散体树脂，按树脂的单体总重量计，其包括：1） 30.0％的乙二醇独丁醚；

A phosphate ester tert-fluorine water dispersion resin(resin monomer total weight% )comprises:1)30.0% ethylene glycol monobutyl ether;

youdao

一种含磷酸酯叔氟水分散体树脂，按树脂的单体总重量计，其包括：1） 30.0％的乙二醇独丁醚；

A phosphate ester tert-fluorine water dispersion resin(resin monomer total weight% )comprises:1)30.0% ethylene glycol monobutyl ether;

youdao