The exterior is black and looks like a closedvolume approaching.
建筑外表是黑色的，看起来像封闭的体量。
2
The pouch may contain an active substance within the closedvolume, as well as an active substance in the water-soluble film.
所述囊袋的闭合容积内可含有活性物质 以及在水溶性膜中含有活性物质。
3
The process consists of treating the work piece with a coat that forms on the surface from the gaseous products of sublimation and decomposition of a triazine polymer reagent in a closedvolume.