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.
结论X线骨盆及其骨小梁改变分别是氟骨症检查的首选部位和可靠指标。
Conclusions X-ray change of pelvis and bony trabecula are selected as reliable index for diagnosis of sclerotic fluorosis.
根据介质性能及使用期，应经常检查阀体顶部四氟密封圈和孔板部的四氟薄片。
According to media performance and the use of period and should always check the valve orifice at the top of the Ministry of PTFE seals and PTFE sheet.
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