... packer flapper valve 封隔器活瓣阀 packer flowmeter 集流式流量计 packer fluid 封隔器以上的液体 ...
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non-packer flowmeter 非集流式流量计
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The flowmeter provides one core cable to supply power for the packer and downhole circuit of the flowmeter, at the same time, the signal transmit through the cable.
流量计采用单芯电缆完成对井下集流器、电路板供电，同时单芯电缆还完成两路流量信号、压力及温度信号的传输。
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