colour coat
英
美
- 涂色;着色
双语例句
- She asked the children to colour in a picture of a meadow.
她让孩子们给一幅草地的画着色。 - It used before electroplating to improve the adhesion of coat,before painting to enhance the pigmentation.
在电镀前处理,可增强镀层的附着力,在喷漆前处理,可增强油漆的着色力。
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