single pitch
1、单段路线（single pitch） 一般低于25米，50米的主绳可以保证攀登者到顶并返回地面。
基于40个网页-相关网页
正是车窗外的神秘世界使乘坐火车去旅行变得如此令人心动，特别是行走在这条世界第三长的单段连续铁路线上。
And it's precisely the mysteries beyond the window that make train travel so appealing, particularly with this journey along the world's third-longest single continuous railway service.
youdao
应用推荐
模块上移
模块下移
不移动