two stage filter

进出口行业词汇英语翻译(T) ... two spindle drill 双柄钻 two stage filter 两级过滤器 two stage pump 双级泵 ...

波级,sea scale,wave... ... ) stages of waveplate 波片级数 ) two stage filter 两级滤波 ) sea scale,wave scale 波级 ...

空气滤,air filter; air... ... ) Air Filter 空气滤清器 ) Two stage filter 二级空气滤清器 ...