- noise insulati on
- 噪音: noise; undesired sound; stre ...
- 隔绝: completely cut off; isolated
- 隔绝: completely cut off; isolated 和外界隔绝 be cut off from the outside world; 音信隔绝 (with) all news cut off; 隔绝电阻器 isolating resistor
- 拼音隔音符: notes and comment
- 吸音隔板: acoustical lining
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