steel angle

例句：

1. 1. Thecar's steel angle is perfectly aligned with the frame.
   这辆车的钢角完美地与框架对齐。
2. 2. Theconstruction of the bridge required precise measurements ofits steel angles.
   建造这座桥需要精确测量其钢角。
3. 3. Theengineer carefully checked the steelangles to ensure they weresecure.
   工程师仔细检查了钢角以确保它们牢固。