The stage where the volume pumped places the influx inside the casing shoe (the shoe line), is important as well but has not been included in these basic phases in well control.
泵入体积将侵入挤入管鞋内这一阶段是个十分重要的阶段，但不包括在井控的这几个基本阶段。
We tested the PF30 with a power-line analyzer that provides immediate, audible feedback on the noisiness of any given outlet via a built-in speaker and volume control.
我们测试的PF 30的电力线分析仪，提供即时，声音反馈的噪声任何特定出口通过内置扬声器和音量控制。
We tested the PF30 with a power-line analyzer that provides immediate, audible feedback on the noisiness of any given outlet via a built-in speaker and volume control.
我们测试的PF 30的电力线分析仪，提供即时，声音反馈的噪声任何特定出口通过内置扬声器和音量控制。
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