top beam

• 顶梁

top beam的用法和样例：

例句

1. At the top, both columns are connected by a strong, large connection piece which achieves a high transverse rigidity for the machine frame.
   两个立柱的顶部由一套坚固的大截面顶梁连接，为机床部件横向运动提供了极高的刚性。
2. Reporters on the scene saw that the man slept, at the top Liang Haizhuqiao reinforced from time to time make various moves grimace.
   记者在现场看到，该男子蓬头垢面，站在海珠桥下顶梁的钢筋上不时做出各种动作鬼脸。