1.  safety device
2.  foolproofness

• 1. 安全装置: safety device | safety appliance
• 2. 备用安全装置: back up safety device | backup device
• 3. 围裙板安全装置: skirt safety device | skirt panel safety device

更多释义

• 1.我们在设计中纳入了所有最新的安全装置。
  We have incorporated all the latest safety features into the design.
  dict.yoduao.com
• 2.小偷们在所有的那些安全装置下面都挖了地道。
  The thieves tunnelled under all the security devices.
  dict.yoduao.com
• 3.我不在乎速度，但是我就是对那些安全装置百看不厌。
  I don't care for the speed but I can't get enough of that safety gear.
  dict.yoduao.com

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