pedestrian overpass短语¹³¹⁶²⁰⁺³ 基本例句 人行天桥 交通 As it's located at a crowded zone with heavy traffic and several restricted conditions, the Guangwu pedestrian overpass in Guangzhou could not be demolished with conventional method. 广州市广武人行天桥拆除工程,地处交通繁忙、人流密集地带,受多方条件限制,无法采用传统方法拆卸。 cnki