Also, a tobacco smoke filter comprising a porous substrate having microcapsules dispersed therein.
还有一种烟草烟雾过滤器，它包含其中分散有微囊的多孔基质。
Automatic filter paper-type smoke meter for diesel vehicles free of tobacco smoke accelerate the state measurement.
全自动滤纸式烟度计，用于柴油车自由加速状态下排烟的烟度测量。
Automatic filter paper-type smoke meter for diesel vehicles free of tobacco smoke accelerate the state measurement.
全自动滤纸式烟度计，用于柴油车自由加速状态下排烟的烟度测量。
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