护耳器
/dˌeɪkəlɪtˈeɪ ˈbɹɑː/
n
English: ear protection · 护耳器
English · ear protectionEspañol · protección de los oidosFrançais · protection obligatoire de l’ouïe
释义:Devices that reduce workplace noise and noise caused by power tools.
English: ear protection · 护耳器