The pressure meters can give the switch signals of up limit pressure and down limit pressure of water supply.
压力表可发出供水压力下限和上限开关信号。
The results show that all the water level, the atmospheric pressure and the switch of the power supply cannot cause the sudden jump of the observed dat...
研究结果表明，水位、气压、电源切换等因素不会引起体应变仪观测曲线的突跳。
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