pony girder是什么意思 pony girder怎么读
pony girder的用法和样例
- 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 cross girder center segments of the bents were field bolted.
构架横梁的中间段在工地用螺栓连接。
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