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| safety codes | |||
| safety code | |||
| safety recommendation | |||
| safety rule A principle or regulation governing actions, procedures or devices intended to lower the occurrence or risk of injury, loss and danger to persons, property or the environment (为了降低伤害对人、财产或环境的损失和危险的发生率或风险，而用原则或规定规范一些相关活动、过程或设备。) | |||
| safety legislation; safety regulation; safety rules | |||
| safety precaution; safety rule | |||
| safety regulations | |||
| accident prevention instruction; accident prevention regulation; safe regulation | |||
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| safe regulation; safe rule | |||
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| safety regulation | |||
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| safety rules | |||
| 安全 规则: 14 phrases in 8 subjects |
| Accounting | 1 |
| Automobiles | 1 |
| Cryptography | 1 |
| Drilling | 1 |
| Name of organization | 1 |
| Nautical | 6 |
| Space | 2 |
| Technology | 1 |