The latest style large capacity muffle with special structure has reduced the noise of exhaust gas. A larger air filter is employed to reduce the noise of suction gas.

新型大容量和特殊内部构造消音器降低了排气噪音。采用较大的空气滤器减少了进气噪音。

youdao

In reality, some people are vocal and may moan and groan, other folks may muffle any sounds with a pillow, and yet others may not make a single peep.

事实上，有些人会出声，他们可能会唉声叹气，其他人可能会用枕头闷住任何声音，还有另一些人可能不会发出任何声音。

youdao

In experiment, the results show that double-objectives fuzzy optimization technology can be adopted with the structure design of water muffle more reliable.

实验结果说明，运用双目标模糊优化技术，会使水消声器的结构设计更合理。

youdao

Is it my imagination or did the rise of expense-account restaurants purposely building-in conversation-evaporating high-volume noise levels (partly by not building in the architectural elements that muffle them) coincide with the market run-up to 2008?

FORBES: 10 Ways Pricey Restaurants Drive You Crazy