起拱

起拱 [qǐ gǒng]

1. ■ arch camber

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常用词组

1. ■ 起拱层 springing course;

2. ■ 起拱点 spring;

3. ■ 起拱高度springing height;

4. ■ 起拱梁haunched beam;springing line;

5. ■ 起拱石[点] springing;

6. ■ 起拱线 spring line; springing line