Health and Safety
| Code
| health and safety | |
| busin. | 健康与安全 |
| code | |
| gen. | 为...编码 |
| el. | 规则 |
| hydroel.st. | 编码; 标准 |
| hydroel.st. од. | 法规 |
| met. | 码; 电码; 符号; 标记; 规则 |
| |||
| 健康与安全 | |||
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Health and Safety : 113 phrases in 30 subjects |