例句 /

2 Natural protection should be used for belay anchors where at least 2, preferably 3, independent bombproof anchors can be used.

2 Natural protection should be used for belay anchors where at least 2, preferably 3, independent bombproof anchors can be used.

2于天然支点上,应使用确保固定点,同时,该处应能使用至少两个极稳固的固定点,三个更好。