国产成人一区二区三区影院动漫-午夜dj在线观看免费视频-亚洲综合欧美在线一区在线播放-欧美巨鞭大战丰满少妇-制服丝袜亚洲中文欧美在线

★油漆、烤漆、涂料、 油墨等涂覆材料表面的光澤測量。
★石材、瓷磚、型材等建筑裝飾材料表面的光澤測量。
★紙張、竹木、塑膠、薄膜等表面的光澤測量。
★其它各種金屬和非金屬材料表面的光澤測量。
●All kinds of coating and finishing surfaces, such as paints, varnishes, printing ink, etc.
●Decorative materials, such as marble, granite, polishing brick, ceramic tile and so on.
●The other kinds of metallic and non-metallic mmaterials and objects, such as plastic, woodenware, paper, etc.