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| 71. | highway structures |
| 公路建筑物 |
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| 72. | highway contracting |
| 公路契约 |
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| 73. | Highway database |
| 公路数据库 |
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| 74. | highway tread patter |
| 公路花纹 |
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| 75. | highway design standard |
| 公路设计标准 |
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| 76. | Highway information system |
| 公路信息系统 |
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| 77. | highway ecology |
| 公路生态学 |
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| 78. | Highway surveillance |
| 公路调查 |
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| 79. | highway hypnosis |
| 公路催眠 |
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| 80. | road haulage undertaking |
| 公路运输业 |
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