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.
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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