井下装置
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downhole boosting device 井下增压装置
downhole jet boosting device 射流式井下增压装置
downhole hole-closure device 井下封井器
downhole centrifugal supercharging device 离心式井下增压装置
a downhole centrifugal supercharging device 离心式井下增压装置
downhole device
井下设备
以上为机器翻译结果，长、整句建议使用 人工翻译 。
A downhole device used to control fluid flow under downhole conditions.
用于在井下条件下控制流体流动的井下装置。
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A downhole device that enables circulation through the tubing string and associated annulus.
能够经油管柱和相关的环形空间实现循环的井下装置。
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