如果遇到松滑的陡坡，关键因素在于选择适当的齿轮比和前进路线，尽可能找到较平滑的石头和较硬的泥土以确保有最佳的抓地力。
On steep loose climbs, choosing the right gear picking a good line are key factors. Look ahead for sections of smooth rock or hard dirt for optimum traction.
本文首先研究了复合土钉支护中土钉、水泥土墙的抗滑机理，介绍了其机理的理论解释。
The resisting slip mechanism of nail and cemented-soil wall is researched on and the theory of the mechanism is also introduced in this paper firstly.
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