compression beam造句

例句与造句

1. The bridge used the Brown truss system, a through truss consisting of diagonal compression beams and almost vertical tension members ( slanting in at the top toward the center of the span ).
2. The bridge uses the Brown truss system, a through truss consisting of diagonal compression beams and ( optionally ) almost vertical tension members ( slanting in at the top toward the center of the span ).
3. It's difficult to find compression beam in a sentence. 用compression beam造句挺难的