truss bars造句

例句与造句

1. :Adjustable truss bar through peghead from 1970 through 1977.
2. In long, slender structural elements  such as columns or truss bars  an increase of compressive force " F " leads to structural failure due to buckling at lower stress than the compressive strength.
3. It's difficult to find truss bars in a sentence. 用truss bars造句挺难的