muffler GRE

a muffler like that worn by the meanest of people.

一条像社层的人所戴的围巾。

The colors of your coat, hat and muffler shall harmonize.

你外套、帽子和围巾的色彩应该协调。

The driver deadened the noise of the car with a new muffler.

机安装新的消声器减少汽车嗓音。

The sound tranfer loss of 2 kind of muffler structures are calculated, then tested and verified on the double sound transferrer random exciting exhaust muffler testing rig.

利用此矩阵,计算结构的消声器的传递损失,并在双传声器随机激励消声器试验台上进行试验验证。

By using this method, the effects of various parameters on the performance of the exhaust muffler and a variation law are clear and all the indexes of the new muffer are improved.

通过正交设计,使新消声器的各项指标得到提高。

The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...

该消声装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于煤矿主要通风机的消声降噪。

JCQ depurant-muffler is adopted on 49ZQ engine using small rare-earth element balls as catalyst and took the method of quadrature frequency band optimization to opetmize the configuration parameters.

用于492Q发动机的JCQ净化消声器采用稀土小球为催化剂，用正交频带加权优化法优选消声器结构参数，取得良好的消声、净化性能。