margin of safety
安全第一,预防为主
Safety first, precaution crucial.
暂无补充释义。
相关词条
safety pin
Bio-safety Cabinet
margin of safety
safety glass
safety means along the route
Occupational safety
REELS for safety belts, e.g. inertia REELS
Safety first, precaution crucial.
暂无补充释义。
margin of safety
safety pin
Bio-safety Cabinet
margin of safety
safety glass
safety means along the route
Occupational safety
REELS for safety belts, e.g. inertia REELS