ear muffs造句

• Use ear muffs when working in a very noisy environment
  在噪音环境中，要用手掩著耳朵或戴上护耳用具。
• Safety requirement : hardhats , safety glasses , dust mask , face shield , ear muff , and etc
  必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等
• Acoustics - hearing protectors - measurement of effective sound pressure levels for level - dependent sound - restoration ear muffs
  声学.听力保护器.电平相关声音恢复耳罩的有效声压级测量
• Avoid prolonged use of walkman or discman . avoid turning the volume too high . use ear muffs when working in a very noisy environment
  避免长时间收听耳筒收音机或录音机，音量亦应调较至中度或以下。