| |||
防护措施 | |||
预防性措施 | |||
保护措施 | |||
防护〔预防〕措施 | |||
预防措施 | |||
预防 | |||
预防疾病措施 | |||
防范措施; 预防性措施; 防护性措施 |
preventive measure : 8 phrases in 7 subjects |
Earth sciences | 1 |
Environment | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Health care | 1 |
Hydroelectric power stations | 2 |
Socialism | 1 |
Technology | 1 |