The truck, after an unnerving pause atop the bank ramp, hadmoved on, snaking left and right for a minute or two, and was now accelerating to what felt like topspeed.
If you are trying to build a half pipe that is 6 feet high on flat ground you will need at least one full dump truck load of snow for each side of the ramp.
如果您尝试建立一个半管是6英尺高的平地您将需要至少一个完整的泥头车装载的雪每一侧的斜坡。
3
The main difficulties and problems is setting unreasonable on traffic safety facilities such as truck escape ramp, road signs and road traffic marking.