crossbeam
常见例句
- Connecting the crossbeam to the apex of a triangular truss.
连接大梁和三角孔桁梁顶点的支柱。 - If you mind, that hurriedly tidies up crossbeam once, that nothing knows your this stuff!
你若介意，那就赶紧的收拾收拾回大梁吧，那没人知道你这事！ - The first bridges made by humans were probably spans of cut wooden logs or planks and eventually stones, using a simple support and crossbeam arrangement.
而人造桥则是由切段原木或是厚木板、石头搭建起来并用横梁做支撑的拱。 返回 crossbeam