1.
Study on the Acoustic Attenuation Performance of Diesel Engine Exhaust Catalytic Silencers;
柴油机排气净化消声器声学性能研究
2.
Study on the Design of Motorcycle Muffler with Catalyst for Exhaust Gas Purifying
摩托车排气净化消声器设计方法的研究
3.
Study on Designing Method of Motorcycle Muffler with Catalyst
摩托车排气净化消声器的设计方法研究
4.
air cleaner and silencer
空气净化器及消声器
5.
Effect of Air Disinfection with RGF Air Disinfector
RGF空气消毒净化器的消毒效果观察
6.
DEVELOPMENT OF AIR PURIFYING DISINFECTOR AND OBSERVATION ON ITS DISINFECION EFFICACY
医用空气净化消毒器研制与消毒效果观察
7.
purifying apparatus
提纯仪器;净化设备;净化设备;净化仪器;净化仪器
8.
Numerical Analysis of Transmission Loss of Mufflers with Complex Shape and Catalytic Converter
带催化转化器消声器传递损失数值分析
9.
Calculation of Acoustic Characteristics of Automobile Exhaust Muffler and Its Optimum Design;
汽车排气消声器的声学特性计算及其优化设计
10.
Analysis of Acoustic Characteristics of Exhaust Muffler and Its Optimum Design
排气消声器的声学特性研究及其优化设计
11.
centrifugal clarifier
离心澄清器离心净化器
12.
sound attenuation
消声器（噪声衰减装置）
13.
If you hear rumbling while driving, open the windows and have the muffler checked immediately. A cracked muffler can leak dangerous carbon monoxide into the car.
行车时听到隆隆响声，应立即打开车窗检查消声器。消声器如有裂缝，危险的一氧化碳会逸入车内。
14.
This method broadens the silence frequency bandwidth of muffler and improves its silence fuction.
这种方法拓宽了消声器的消声频带宽度,改善了消声器的消声性能。
15.
THE APPLICATION OF EDDY PURIFIER IN MTBE UNIT FOR PURIFYING C4 FEED
旋流净化器用于净化MTBE装置碳四原料
16.
A cracked muffler can leak dangerous carbon monoxide into the car.
消声器如有裂缝，危险的一氧化碳会逸入车内。
17.
ADAPTIVE LATTICE NOISE CANCELLER AND OPTIMAL STEP SIZE
自适应格形联合滤波噪声抵消器及优化步长
18.
Optimal Research of Self-Adaptive Acoustic Echo Canceller Based on MATLAB Design Software;
基于MATLAB的自适应声学回音抵消器优化设计