| |||
safeguard | |||
security protection unit | |||
safeguarding device; safety device; safety protection installation | |||
guarding device; safety guard |
安全防护 装 置 : 5 phrases in 5 subjects |
Automobiles | 1 |
Electronics | 1 |
Rail transport | 1 |
Technology | 1 |
Wind Energy | 1 |