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| 21. | tie-beam = tie beam |
| 横梁; 横臂；水平拉杆 |
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| 22. | This station is now closing down and we wish you all good-night. |
| 本台现在停止播音，祝大家晚安。 |
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| 23. | someone who broadcasts on radio or television. |
| 在广播或电视上播音的人。 |
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| 24. | atomic beam and molecular beam |
| 原子束和分子束 |
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| 25. | Beam;frame;summer Beam |
| 大梁 |
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| 26. | foundation Beam; footing Beam |
| 基础梁 |
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| 27. | beam off the beam |
| 脱离航向 |
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| 28. | lower-beam (dipped beam)headlamp |
| 近光前照灯 |
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| 29. | beam to beam connection |
| 梁间结合 |
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| 30. | upper-beam(main beam headlamp) |
| 远光前照灯 |
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