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61. | safe dispersing area |
| 安全疏散面积 |
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62. | safe reactor control |
| 反应堆安全控制 |
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63. | minimum safe altitude |
| 最低安全高度 |
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64. | safe operation rate |
| 安全运转率 |
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65. | safe working condition |
| 安全芳条件 |
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66. | Safe approach speed |
| 安全临近速率 |
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67. | safe-handling procedure |
| 安全处理规程 |
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68. | safe escape appliance |
| 安全逃生器具 |
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69. | safe allowable load |
| 安全容许载荷 |
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70. | safe railway operation |
| 铁路安全运行 |
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