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.
氯醇橡胶又称氯醚橡胶、表氯醇橡胶，具有极好的耐油性、耐高低温性和优异的化学稳定性，且气透性小。
Chlorohydrin rubber is also called epichlorohydrin rubber with good oil resistance, low and high temperature resistance and chemical stability, small air leakage.
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