常見例句雙語例句Connecting the crossbeam to the apex of a triangular truss.連接大梁和三角孔桁梁頂點的支柱。If you mind, that hurriedly tidies up crossbeam once, that nothing knows your this stuff!你若介意,那就趕緊的收拾收拾回大梁吧,那沒人知道你這事!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.而人造橋則是由切段原木或是厚木板、石頭搭建起來并用橫梁做支撐的拱。 返回 crossbeam