The excavation of long shaft under high dip Angle and large diameter has a big difficulty and a high risk.
陡倾角、大直径、长斜井开挖施工难度大、危险程度高。
In large dip Angle mining face, the antis-kid and anti-collapse question on hydraulic support is a key to mining successfully.
在大倾角工作面中,液压支架的防倒防滑问题是工作面能否顺利实现开采的关键。
The annular swirling jet with large dip Angle is studied and its Central Line equation is derived from fluid mechanics theory and experimental analysis.
对倾斜环形旋转射流中心线进行了理论与试验研究,得出了倾斜环形旋转射流中心线方程。
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