noise insulation

• 噪音绝缘,隔音

noise insulation的用法和样例：

例句

1. The room is insulated against noise.
   这个房间是隔音的。
2. The noise can be reduced only by sound-proofing.
   这噪音只有用隔音设备才能减低。
3. Double layers noise-resistant of hopper installation can reduce noise.
   进料斗双层防音装置，降低噪音。