If you do find yourself on a route that is too long to lower off, the easiest way is to pull a spare rope up and abseil off.
如果你发现所在的路线太长没办法做先锋撤退，最简单的方式就是拉一条备用的绳子并垂降。
If you do find yourself on a route that is too long to lower off, the easiest way is to pull a spare rope up and abseil off.
如果你发现所在的路线太长没办法做先锋撤退，最简单的方式就是拉一条备用的绳子并垂降。
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