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安全密码 | |||
安全规则 | |||
安全规定 | |||
安全码 | |||
安全规范; 安全法则; 安全法典 | |||
安全规程 |
safety code : 25 phrases in 11 subjects |
Aviation | 2 |
Business | 1 |
Economy | 1 |
Electronics | 5 |
Environment | 3 |
General | 1 |
Name of organization | 3 |
Nautical | 4 |
Refrigeration | 2 |
Technology | 2 |
Textile industry | 1 |