Drinciple is presented in this paper to construct a vertical rock surface bearing system reinforced by shotcrete technique.
本文介绍采用岩石锚杆加固岩石垂直壁，形成岩石锚喷直壁承载体系的原理。
This pattern is consistent with the passing of a cold weather front bearing a strong area of low pressure at the surface.
沙尘暴的这种分布型式与地面冷锋造成的强低压区相一致。
TAPER: any surface of any bearing part that is not the correct Angle or not to print.
锥度：任何轴承部件的表面角度不正确或者不符合图纸要求。
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