隔音的
4.Soundproof cork insulation; a layer of trapped air that serves as insulation.
6.Air flowing through the shell or cup has also been suggested as a possible cause, but experiments in soundproof rooms have disproved this.
7.Acoustic insulation or other appropriate sound-absorbing materials should be used in the construction and finishing of bulkheads, overheads and decks within the sound-producing spaces as well as self-closing noise-isolating doors for machinery spaces.
8.For some, falling in love is like walking into a soundproof confessional booth, a place where you can tell all.
9.The R & D of Nonwoven Acoustic Absorbent/Insulation Materials for Automobile Sector
10.Absorbent felt is mainly used in the front part of a car and certain part of the car body to obtain acoustic absorbent,vibration absorbent and thermal insulation functions The article mainly introduces the development and production of nonwoven absorbent felt,especially the choice and blending ratio of fibers,process flow and the testing of finished products
