hearing protectors meaning in English
护耳器
Examples
- Hearing protectors - testing - acoustic test methods
护听器.检验.声学试验方法 - Hearing protectors - testing - physical test methods
护听器.试验.物理试验方法 - Hearing protectors - safety requirements and testing - ear - plugs
护听器.安全要求和试验.耳塞 - Hearing protectors - safety requirements and testing - ear - muffs
护听器.安全要求和试验.耳套 - Hearing protectors - general requirements - part 2 : ear - plugs
听力保护器.一般要求.第1部分:耳塞