internal sound insulation

例句：

1. 1.The new building has excellent internal sound insulation, which greatly reduces noise pollution.
   这座新建筑具有卓越的内部声音绝缘，极大地减少了噪音污染。
2. 2. The engineer carefully designed the internal sound insulation to ensure the quietness of the room.
   工程师仔细设计了内部声音绝缘，以确保房间的安静。
3. 3. The company's new product line includes high-quality internal sound insulation materials.
   该公司的新产品线包括高质量的内部声音绝缘材料。