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| 91. | rigid space suit |
| 硬质航天服 |
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| 92. | rigid extensible prop |
| 可伸缩式刚性支柱 |
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| 93. | rigid foamed plastics |
| 硬质泡沫塑料 |
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| 94. | plastic rigid boundary |
| 刚塑性边界 |
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| 95. | rigid foundation structure |
| 刚性基础结构 |
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| 96. | rigid plastic theory |
| 刚塑性理论 |
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| 97. | rigid frame construction |
| 刚架构造 |
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| 98. | rigid-plastic material |
| 刚塑性材料 |
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| 99. | rigid optical system |
| 刚性光学系统 |
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| 100. | pressure rigid airship |
| 压力硬式飞艇 |
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