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.
热熔钻进
实践证明,该方法不仅适用于地热钻井,而且也可以作为一

无套管
壁方法

用。

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.
热熔钻进
实践证明,该方法不仅适用于地热钻井,而且也可以作为一

无套管
壁方法

用。
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