例句與造句

1. Both lines from Maitland are signalled for bidirectional working with trains able to arrive or leave via either line.
2. The Recent work ( late 2007 ) at Penmaenbach eastbound has seen the erection of gantries to close lanes when bidirectional working is in place.
3. It's difficult to find bidirectional working in a sentence. 用bidirectional working造句挺難的