safety pin
完全宽限
safety allowance【安全】
暂无补充释义。
相关词条
safety glass
safety means along the route
safety stock
single-phase safety plug with socket
safety vent
safety test; bioassay
relighter flame safety lamp【矿】
safety allowance【安全】
暂无补充释义。
safety pin
safety glass
safety means along the route
safety stock
single-phase safety plug with socket
safety vent
safety test; bioassay
relighter flame safety lamp【矿】