... 所生之心气 Mindprana ; prana 偏心气举阀 eccentric gas lift valve 令人心气平和 Making Heart Easy ...
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Ortherwise, the eccentric gas anchor, gas lift valve and surface check valve are installed to automatically unload the gas from the deeper layer and annulus between the tubing and the casing.
大气量时应用偏心气锚安装气举阀与地面单流阀两步卸气，实现了下部产层和油套环空自动卸气。
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