叙述了深天井钻进设备的设计和钻进工艺的试验研究，并对深天井钻进试验中遇到的一些问题进行了探讨。

The authors describe design of deep raise boring equipment and the experimental study on boring technology, and make an approach to some problems occurring in the deep raise boring test.

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意大利的钻进设备和工具在其本土以外的许多国家的影响越来越大，尤其是在建筑和土木工程以及水井施工领域。

Italian drilling equipment and tools are making an increasing impact outside their country of origin, particularly in the construction, civil engineering and water well drilling sectors.

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同时，投入双倍的队伍和设备，24小时连续施工，采取两头钻进的办法加快施工进度。

Meanwhile, put a double team and equipment, 24 hours of continuous construction, drilling two ways to speed up the construction progress.

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