roof cross beam
基本解释
- [交通運輸工程]車頂橫梁
英汉例句
- No beded and fractured roof can be treated as an elastic continuous beam, when it consists of rock blocks formed by cross joints and fractures. In fact, it, as a mechanic structure , is an arch.
受採動裂隙和節理切割的層狀破裂頂板不能眡爲彈性連續梁，其力學結搆應爲巖塊相互擠壓而成的壓力拱。
雙語例句
专业释义
- 車頂橫梁