保护器 (bǎo hù qì) — protective device, protector

定義

例文

• 这个电路保护器能在电压过高时自动断电。
  Zhè ge diàn lù bǎo hù qì néng zài diàn yā guò gāo shí zì dòng duàn diàn.
  This circuit protector automatically cuts off power when the voltage is too high.
• 运动时请戴好眼部保护器，避免受伤。
  Yùn dòng shí qǐng dài hǎo yǎn bù bǎo hù qì, bì miǎn shòu shāng.
  Please wear eye protectors during exercise to avoid injury.
• 这款数据保护器可以防止文件被误删。
  Zhè kuǎn shù jù bǎo hù qì kě yǐ fáng zhǐ wén jiàn bèi wù shān.
  This data protector can prevent files from being accidentally deleted.