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| 71. | permanent dentition |
| 恒齿系 |
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| 72. | Permanent Secretary |
| 常任秘书 |
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| 73. | permanent appointment |
| 正式任命 |
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| 74. | permanent disfigurement |
| 永久残废 |
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| 75. | permanent casting |
| 硬模浇铸 |
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| 76. | permanent delay |
| 固定时延|永久延迟 |
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| 77. | permanent coupling |
| 固定联轴节 |
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| 78. | permanent depression |
| 永久低压 |
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| 79. | permanent datum |
| 永久基准面 |
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| 80. | Permanent easement |
| 永久性附属建筑物 |
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