parallel and level造句

例句与造句

1. More modern machines, sometimes known as a "'tamper-liner "'or "'tamping and lining machine "', also correct the alignment of the rails to make them parallel and level, in order to achieve a more comfortable ride for passengers and freight and to reduce the mechanical strain applied to the rails by passing trains.
2. It's difficult to find parallel and level in a sentence. 用parallel and level造句挺难的