Muffling pool experiment shows that the system meets the design requirements.
在消声水池的实验证明系统完全达到设计要求。
Muffler is the conventional muffling device in the noise control of compressor.
消声器是压缩机噪声控制中常用的消声装置。
Haldon Halfmaester had wrapped a yellow scarf around his mouth and nose, muffling his voice.
“半学士”哈尔顿用一条黄色长围巾包裹住口鼻，声音变的沉闷。
But muffling gasoline engines reduces their power to such an extent that the plan is impractical.
但消声汽油发动机降低了他们的权力，如此的程度，这个计划是不切实际的。
The results show that spongy aluminium alloy has an advantage of muffling the noise caused by air power.
结果表明，泡沫铝在消除空气动力噪声方面具有优越的性能。
Drying equipment, muffling devices, soundproofing devices, pollution countermeasures machinery and equipment.
干燥装置，消音装置，隔音装置，对付公害的机器装置。
Noise isolation, noise absorption and muffling are individually applied to each region in accordance with their feature.
根据不同分区内噪声的特点，在不同控制区分别采用隔声、吸声和消声等噪声控制技术。
The new muffler can achieve double goals of both heat exchange and muffling when the original exhaust muffler of a road bus is replaced with it.
它在取代汽车原消声器的同时，可实现换热和消声的双重目的。
Tests proved in addition to lower production cost the muffling and aerodynamic performance of this new muffler are better than the original one.
试验证明其消声及空气动力性能均优于原配消声器，此外制造成本也有所下降。
The feature would be even better if the built-in speakers weren’t on the back of the device, muffling the sound if you place it screen up on a flat surface.
如果内置扬声器不是装备在机器的背面，这个功能会更加出色。 因为当你屏幕向上把Kindle放在平坦的表面上时，声音会被压低。
The perforating shield contributes a lot in improving the muffling effect and at the same time has a function of eliminating the pulsating sound in the engine exhausting noise.
穿孔屏对改善消声效果有较大的作用，同时，对发动机排气噪声中的脉动声有较好的消除作用；
The sound absorbing device (22) is provided with a plurality of mutually different absorption areas (24) on the aspect of depending on the muffling performance of the frequency.
吸声装置(22)具有多个在其取决于频率的消声性能方面相互不同的吸收区(24)。
The maximum level of muffling being taken as object function, the parameters of muffler's whole structures have been optimized by using the method of dynamic transfer matrix analysis.
本文用消声器动态传递矩阵分析方法，以最大消声量为目标函数，对消声器的总体结构参数进行了优化。
The maximum level of muffling being taken as object function, the parameters of muffler's whole structures have been optimized by using the method of dynamic transfer matrix analysis.
本文用消声器动态传递矩阵分析方法，以最大消声量为目标函数，对消声器的总体结构参数进行了优化。
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