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81. | a clear anchorage |
| 安全锚地 |
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82. | Museum Safety |
| 博物馆安全 |
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83. | treaty of security |
| 安全条约 |
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84. | Safety Exit |
| 安全出口 |
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85. | safe format |
| 安全格式化 |
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86. | (in a theater) a safety curtain |
| 安全幕 |
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87. | safety box |
| 安全药箱 |
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88. | Safety alarm |
| 安全报警器 |
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89. | Safety clutch |
| 安全离合器 |
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90. | security monitoring and control |
| 安全监控 |
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