单词aerial ladder
na.: 消防梯网络: 云梯;架空消防梯;消防云梯
天梯,消防梯
Japan developed a state-of-the-art aerial ladder fire apparatus with articulated boom
日本开发出先端曲折式云梯消防车
Back-check and Maintenance of Aerial Ladder Fire Truck
云梯消防车的检查与维护