Down Slope 卸坡
Downgrade Ramp 下坡匝道
Downhill Grade 下坡
Downstream 下游
Downstream section 下游段;下流段
Downtown street 闹市街道
Dozer 推土机
Dr. Sun Yat-Shen Highway, Sun Yat-Sen National Freeway 中山高速公路
Drafting 绘制;绘图
Drafting Room 制图室
Draftsman 绘图员
Dragline 扒土机
Drain Ditch 排水沟
Drain Pipe 排水管
Drainage 排水
Drainage pavement 排水性铺面
Drainage Basin 流域
Drainage Channel 排水渠
Drainage Coefficient 排水系数
Drainage Ditch 排水沟
Drainage Facilities 排水设施
Drainage Pavement 排水铺面
Drainage Pipe 排水管
Drainage System 雨水沟系
Drawbar Pull 拉杆牵引力
Drawing Interchange File 图形交换文 件
Drawings 图说
Dredging 浚渫
Driven pile 打击桩
Driver 驾驶人
Driver behavior model 驾驶者行为模式
Driver behavior, Driving behavior 驾驶行为
Driver characteristic 驾驶员特性
Driver Expectancy 驾驶人期望
Driver Information System 驾驶信息系统
Driver Perception Reaction Distance 驾驶人反应距离
Driver Reaction Time 驾驶人反应时间
Driver training circuit 驾驶训练班
Driver's License 汽车驾驶执照;汽车驾照
Driver's vision 驾驶人视觉
Driveway 私用进出车道
Driving Behavior 驾驶行为
Driving Cycle 行车型态
Driving environment 驾驶环境