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61. | d analysis (SPAN) |
| 统计处理与分析 |
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62. | two span bridge |
| 双跨度桥 |
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63. | life-span determination |
| 寿命测定 |
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64. | electrical span adjuster |
| 电量程调节器 |
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65. | life span perspective |
| 毕生发展观 |
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66. | clearance of span |
| 净跨;净跨 |
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67. | long span bridge |
| 长跨桥 |
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68. | diaphragm pressure span |
| 膜片压力范围 |
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69. | long span culvert |
| 大跨度涵管 |
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70. | efficient wing span |
| 有效翼展 |
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