The practice of subterrene drilling indicates that this method not only adapts to geothermal well, but also is a new pipeless reinforcement method to be applied widely.


进的实践证明,该方法不仅适用于地
井,而且也可以
为一种新的无套管护壁方法推广应用。
来
化其所
岩石的)
岩
The practice of subterrene drilling indicates that this method not only adapts to geothermal well, but also is a new pipeless reinforcement method to be applied widely.


进的实践证明,该方法不仅适用于地
井,而且也可以
为一种新的无套管护壁方法推广应用。
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