The device is designed by means of the jetting principle, and it takes the high-pressure injected water as power fluid to drive the formation fluid returning to the surface.
这种射流洗井器应用射流原理进行设计，利用高压注入水作动力液，抽汲地层液返出。
The device is designed by means of the jetting principle, and it takes the high-pressure injected water as power fluid to drive the formation fluid returning to the surface.
这种射流洗井器应用射流原理进行设计，利用高压注入水作动力液，抽汲地层液返出。
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