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| 61. | official seal |
| 官方印章 |
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| 62. | refractory seal |
| 耐高温密封 |
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| 63. | collector's seal |
| 收藏章 |
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| 64. | impregnated seal |
| 浸渍封接 |
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| 65. | seal durability |
| 密封件耐久性 |
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| 66. | reinforced seal |
| 骨架密封 |
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| 67. | seal receptacle |
| 密封座 |
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| 68. | watertight seal |
| 水密封 |
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| 69. | unreinforced seal |
| 无骨架密封 |
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| 70. | Squeezing seal |
| 挤压密封 |
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