filter pressure drop 过滤器压降 ; 过滤器压力降
add-drop filter 插分滤波器
multichannel drop filter 多分路滤波器
Drop test of filter papers 点滤纸法
A 6-channel drop filter with resonant micro-cavity reflector is designed based on the resonant coupled theory between the 2d photonic crystal waveguide and the 2d photonic crystal micro-cavity.
基于二维光子晶体波导与点缺陷微腔共振耦合原理，设计了一种利用共振微腔作为反射的6 -信道下载滤波器。
You can sort the thread list by "flagged" to make sure your threads are the ones at the top, and you can also filter the threads drop down in the debug location toolbar.
你还能让线程列表根据所标记的“flag”进行排序，来确保被标记的线程排在前面，你也可以使用调试工具条的下拉列表对线程加以过滤。
Lastly, the measurements of the cigarette filter ventilation and pressure drop were taken using a KC3 combined dilution/pressure drop instrument (Borgwaldt-KC, Richmond, Virginia, USA).
最后，采用结合稀释/压力差仪器（美国弗吉尼亚时士满Borgwaldt-KC）的KC3进行香烟过滤器和压力差的测量。
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