top mounted rod

例句：

1. 1.The engineer carefully installed the top mounted rods on the roof.
   工程师小心翼翼地在屋顶上安装了顶部安装的杆子。
2. 2.The construction crew used top mounted rods to secure the scaffolding.
   建筑工人使用顶部安装的杆子来固定脚手架。
3. 3.The safety inspection team inspected the top mounted rods for any potential hazards.
   安全检查团队检查了顶部安装的杆子，以查找任何潜在的危险。