词汇	集体研究
释义	集体研究 jítǐ yánjiūteam research
随便看	sound-insulating sound insulating alloy sound-insulating anteroom sound insulating board sound insulating chamber sound-insulating concrete sound insulating construction sound-insulating criterion sound insulating door sound-insulating glass sound insulating glazing Sound insulating layer soundinsulating material sound insulating material sound insulating panel sound-insulatings sound insulating structure sound-insulating structure sound-insulating treatment sound insulating wall soundinsulation sound insulation sound-insulation sound insulation, absorption of vibration sound insulation and noise reducing