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| 41. | navigation span |
| 通航桥孔；航道跨 |
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| 42. | navigation data |
| 定位资料 |
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| 43. | navigation error |
| 导航误差 |
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| 44. | navigation trainer |
| 导航教练器 |
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| 45. | navigation horn |
| 航行气笛 |
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| 46. | navigation spaces |
| 驾驶用的舱室 |
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| 47. | navigation plotter |
| 航迹标绘仪 |
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| 48. | navigation subsidy |
| 航海津贴 |
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| 49. | navigation shape |
| 航行号型 |
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| 50. | shipping; navigation |
| 航运 |
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