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.
热熔钻进的实践证明，该方法不仅适用于地热钻井，而且也可以作为一种新的无套管
壁方法推广应用。
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.
热熔钻进的实践证明，该方法不仅适用于地热钻井，而且也可以作为一种新的无套管壁方法推广应用。
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