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| 81. | Radiation Prevention |
| 剂量防护 |
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| 82. | blast protection |
| 爆炸防护 |
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| 83. | nuclear radiation protection |
| 核辐射防护 |
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| 84. | vegetative protectio |
| 植被防护 |
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| 85. | noise protection |
| 噪声防护 |
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| 86. | coast protection |
| 海岸防护 |
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| 87. | stall protection |
| 失速防护 |
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| 88. | protection against electromagnetic irradiation |
| 电磁辐射防护 |
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| 89. | acid protection |
| 酸防护 |
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| 90. | pretective acreage |
| 防护面积 |
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