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| 安全保护设备装置 | |||
| 安全设施 | |||
| 安全用具 | |||
| 安全装置 | |||
| 防护用具 | |||
| 保险设备; 保安装置; 安全器具 | |||
| 安全设备 | |||
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safety appliance : 7 phrases in 5 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 1 |
| Nautical | 1 |
| Technology | 3 |
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