a spandrel girder的用法和样例：
- Authors state theoretically key design points and construction methods of the sticking steel board method adopted in bridge strengthening projects, and analyze this method with a spandrel arch bridge.
- There is a vein of melancholy in his character.
- There was a long lag in forwarding mail to us.
- A bowl of hot chicken soup is good for you.
- A cloud is a mass of vapor in the sky.