Measurement of the surface gloss of all kinds of metallic and non-metallic materials and their coatings.

各种金属和非金属材料及其涂镀层表面的光泽测量。

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Measurement of the surface gloss of all kinds of metallic and non-metallic materials and their coatings.

各种金属和非金属材料及其涂镀层表面的光泽测量。

youdao