It is equipped with manometer, pressure reducer and flow indicator.
其上装有压力表、减压器和流量表。
Press the "Flow Indicator", the "Power", and the "Speed" buttons respectively.
分别按下“流量指示仪”、“功率”、“转速”按钮。
Flow indicator light integral with switch cover. Indicates flow or no flow conditions.
与开关盖一起配置的流量指示灯。指示有流量或无流量情况。
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