LA Metro has some of the slowest escalators on Earth
发生了什么
LA Metro’s design specifications state that its escalators go 90 feet per minute, slower than nearly everything we found.
摘要按规则整理自下方来源原文
LA Metro’s design specifications state that its escalators go 90 feet per minute, slower than nearly everything we found.
摘要按规则整理自下方来源原文