fixed ramp造句

例句与造句

1. The SlipAlert " car " has a rubber slider on its bottom, which slides across the flooring after running down a fixed ramp.
2. If the ferry transports road vehicles or railway carriages there will usually be an adjustable fixed ramp at the terminus  a road segment that extends partially underwater.
3. It's difficult to find fixed ramp in a sentence. 用fixed ramp造句挺难的