短语词组短语covered walkway 有盖行人道;有盖人行道;暗置污水渠elevated walkway 高架行人路CROSS WALKWAY 通道jacket walkway 导管架走道moving walkway 传送带式电梯staff walkway 内部执勤人员过道W walkway 走道Maintenance walkway 检修走道turbine walkway 水轮机廊道 返回 walkway