Shawls, scarves, mufflers, mantillas, veils and the like.
披巾、领巾、围巾、披纱、面纱及类似品。
The children were snugged up in overcoats, mufflers, and mittens.
孩子们都穿上了大衣，戴上了围巾和手套，全身都给裹得暖暖和和的。
The existence of higher order mode waves in expansion mufflers is proved theoretically.
从理论上推导了扩张室消声器内可能存在的高次波。
According to test datum, adaptive velocity scope of barrel dissipative mufflers is concluded.
根据试验数据，得到了筒式阻性消声器的适应流速范围。
The existence of higher order mode waves (HOMW) in expansion mufflers is proved theoretically.
从理论上证明了高阶模波（如家快捷）的存在，在扩张消声器。
Both mufflers use the thick steel sheet as the exterior surface to prevent noise from diffusing.
消声器外表面采用厚钢板，以控制噪声的透射。
It is endeavoured to obtain a certain degree of freedom when positioning the suction mufflers in the case of the compressor.
本发明试图在将吸气口消声器放置在压缩机的壳中时获得一定的自由度。
Impedance compound mufflers are used, the size of interface ofwhelloch should be the same as that of the air tubeconnected to.
消声器接纳阻抗复合消声器，消声器的接口尺寸与所接风管尺寸不异。
Fluid pressure pulse is one of the main noise source in water piping system, mufflers are widely used to restrain pressure pulse.
在海水管道系统中，由泵、阀门、弯头等元件引起的压力脉动(即流噪声)是主要的噪声源，消声器被广泛应用于抑制流体压力脉动。
The BEM is applied to calculating the acoustic field in axisymmetric ducts and mufflers as well as the sound radiation from open end.
边界元法用于计算轴对称管道及消声器内部声场与管口声辐射问题。
The substructure boundary element-transfer matrix method is presented for duct system of greater length or mufflers with complex geometry.
对于较长或具有复杂形状的管道及消声器，提出了子结构边界元——传递关系矩阵法。
With the computer simulation of exhaust mufflers and IC engines, the influence of mufflers on engine performance as well as exhaust noise can be predicted.
作者应用不稳定流动计算机模拟方法，不仅能估算排气消声器特性，还能模拟不同消声器结构对发动机性能的影响。
The research shows that the three-dimensional acoustic boundary clement model is an efficient and highly accurate method of sound field analysis of reactive mufflers.
研究结果表明，三维声学边界元模型是抗性结构消声器声场分析的有效方法并具有较高精度。
Intubation structure can improve the acoustic performance of mufflers and widen the frequency range of mufflers, but its length must be designed according to the exhaust spectrum.
内插管结构能改善消声器的声学性能，拓宽消声频率范围，但设计它的具体长度需要根据排气频谱来选择。
Counter workers may also be employed in specialty firms that supply only certain types of parts, such as electrical and carburetor systems, mufflers, brake parts or similar equipment.
柜台工作人员也可受聘于专业公司，供应只某些类型的零件，如电气和化油器系统，消声器，制动器部件或类似的设备。
The scale of experiment model is 1 to 2.5. Model experimental results show that numerical simulation is very effective for forecast of resistance characteristics of Marine exhaust mufflers.
按照所确定的结构制作了几何比为1：2 . 5的实验模型，模型实验结果表明，本文的数值模拟方案具有令人满意的精度，对于船用排气消声器阻力特性预估是非常有效的。
This paper analyzed the causes and influence factors of the jet noise emerged from petroleum and chemical plants, and investigated design methods and main technique cruces of exhaust mufflers.
分析了石化企业中常见的排气放空噪声的原理及其影响因素，探讨了排气放空消声器的设计方法及技术要点。
Three types of mufflers for fluid-filled pipes are designed to minimize noise radiation from the pipe outlet. An experimental pipe system is built and the performances of the mufflers are tested.
设计了三种水管路消声器，建立了一套水管路模拟实验系统，对所设计的消声器消减管口辐射躁声的性能进行了实验测试。
Three types of mufflers for fluid-filled pipes are designed to minimize noise radiation from the pipe outlet. An experimental pipe system is built and the performances of the mufflers are tested.
设计了三种水管路消声器，建立了一套水管路模拟实验系统，对所设计的消声器消减管口辐射躁声的性能进行了实验测试。
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