如横巷相互交叉,应在两个横巷的同一侧(或左或右,相对于进来的入口)确定第二个进入横巷。
Where crosscuts are staggered, the second crosscut will be determined by two crosscuts on the same side, either left or right, in the entry being traveled.
如横巷相互交叉,应在两个横巷的同一侧(或左或右,相对于进来的入口)确定第二个进入横巷。
Where crosscuts are staggered, the second crosscut will be determined by two crosscuts on the same side, either left or right, in the entry being traveled.
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