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| 81. | gas explosion prevention |
| 防止瓦斯爆炸 |
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| 82. | To prevent seam impressions. |
| 防止缝线压痕。 |
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| 83. | vandal-proof fitting |
| 防止破坏装置 |
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| 84. | protection against stray pollen |
| 防止飘来花粉 |
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| 85. | A drive for nonproliferation |
| 防止核扩散运动 |
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| 86. | the prevention of deceptive practices; |
| 防止欺诈行为； |
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| 87. | take measures to prevent losses in advance |
| 事先防止损失 |
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| 88. | flash-back arrestor |
| 回火防止器 |
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| 89. | keep sB. from hurting himself |
| 防止某人受伤 |
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| 90. | prevent the possibility of |
| 防止…的可能 |
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