Rail transport uses different types of wagons for different goods, usually are used for move coal and aggregates.
举一反三
- Different types of goods require different types of packing.
- Different types of multimodal transport operation include（ ）。 A: road/air/road B: Land-bridge C: Sea/ air / sea D: road/rail/road
- Most coal and aggregates are moved in ( )that can be filled and discharged rapidly. A: flat wagons B: refrigerator vans C: open wagons D: covered wagons
- The<br/>same types of containers are used for different cargoes. ( )
- In triaxial tests, ______ conditions and ______ conditions are used to classify different types of tests.