truncated cone mounted point

例句：

1. 1. The engineer carefully mounted the truncated cone on the wall.
   工程师小心翼翼地将截短圆锥形支架安装在墙上。
2. 2. Thetruncated cone was used asa support for the roof.
   截短圆锥形支架被用作屋顶的支撑。
3. 3. Thetruncated cone was mounted at anangle to provide stability.
   截短圆锥形支架以一定角度安装，以提供稳定性。