class b b造句

例句与造句

1. Angus advised Bennett that the NZR could not spare any W W class locomotives as they were indispensable to NZR . He instead offered the W F class 2-6-4T as a suitable design that could be released due to the conversion of locomotives of classes B B ( 4-8-0 ) and C ( 2-6-2 ) to heavy shunting locomotives.
2. It's difficult to find class b b in a sentence. 用class b b造句挺难的