plate girder的用法和样例：
例句
- The girder was clinched into the wall.
大梁被钉牢在墙中。 - I saw with my own eyes a girder fall and crush him to death.
我眼瞅着一根大梁掉下来把他砸死了。 - The lower construction is a rectangular plate beam gantry with good rigidity and tensional strength.
下部结构为空间矩型板梁式门架，有较好的刚度和抗扭性能。 - The advance support of intake and return aircourse needs a lot of plate girders in the comprehensive mechanized coal mining face.
综采工作面的进回风巷超前支护要用很多板梁。
