半圆

半圆 [bàn yuán]

1. ■ semi-circle

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常用词组

1. ■ 半圆壁龛 {建} apse;

2. ■ 半圆扁钢 flat-round steel; feather edged half-round steel;

3. ■ 半圆材 half-round of timber;

4. ■ 半圆测角仪 semicircumferentor;

5. ■ 半圆锉 half-round file; pitsaw file;

6. ■ 半圆分度器 half-circle protractor;

7. ■ 半圆拱 round arch; full-center arch;

8. ■ 半圆键 woodruff key;

9. ■ 半圆键槽铣刀 woodruff key seat cutter;

10. ■ 半圆（式）露天椅 exedra;

11. ■ 半圆明槽排水沟 channel pipe;

12. ■ 半圆木锉 half-round wood rasp;

13. ■ 半圆偏转 semicircular deviation;

14. ■ 半圆球壳 bullet;

15. ■ 半圆穹顶 full-center calotte;

16. ■ 半圆饰 astragal;

17. ■ 半圆筒式剥皮器 semidrum;

18. ■ 半圆屋顶 hemidome;

19. ■ 半圆线脚 nosing; astragal;

20. ■ 半圆旋切 half-round cut; back cut; stay-log cutting;

21. ■ 半圆油石 half-round oil stone;

22. ■ 半圆凿 firmer gouge; gouge; half-round chisel;

23. ■ 半圆凿穴 gouge hole;

24. ■ 半圆周 semi-circumference;

25. ■ 半圆柱 half round post;

26. ■ 半圆状物 semicirque;

27. ■ 半圆锥状喀斯特 [德] Halbkugelkarst