The mechanic part principle is same with normal spring pipe meter.
仪表机械部分的作用原理与一般弹簧管压力表相同。
Power switch for controlling power supply meter box-off and normal shutdown operation.
电源开关用于控制仪表箱电源的通断和正常停机操作。
Power switch for controlling power supply meter box-off and normal shutdown operation.
电源开关用于控制仪表箱电源的通断和正常停机操作。
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