噪声等级的英文

noise grade

noise level

• 噪声:    noise; stew; swish ...
• 等级:    grade; rank
• 传声等级:    sound transmission ...

例句与用法

1. Test method for noise quality of film - type resistors
   膜式电阻器的噪声等级试验方法
2. Maximum permissible ambient noise levels for audiometric test rooms
   试听室最大可允许的环境噪声等级
3. Measurement and assessment of aircraft noise ; determination of rating level of aircraft noise exposure
   飞机噪声的测量和评定.飞机发射噪声等级的测定