为了解决倾斜矿体开采中斜天井掘进问题，我院新开发了我国第一代斜天井钻机产品。
The said incline raise borer, developed by Changsha Institute of Mining Re-search for incline raise boring in dip onebody mining, is the first generation product in Chi-na.
形式为四合院，高高的封火墙内，屋顶从四方成比例向内中心低斜呈小方形天井，可吸纳阳光和空气。
The form of courtyard, high bank up a fire wall, the roof from the four-party center inside a low proportion of small square courtyard was inclined to absorb sunlight and air.
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