The driver deadened the noise of the car with a new muffler.
司机安装了新

器减少汽车嗓
。

器
器The driver deadened the noise of the car with a new muffler.
司机安装了新

器减少汽车嗓
。
The colors of your coat, hat and muffler shall harmonize.
你外套、帽子和围巾
色彩应该协调。
The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil...
该
装置结构简单,对主要通风机
阻力损失影响小,
尘、
潮及降噪效果明显,可广泛
应用于煤矿主要通风机

降噪。
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.
利用此种矩阵,计算了两种结构

器
传递损失,并在双传
器随机激励
器试验台上进行了试验验证。
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
器
各项指标得到提高。
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