它的主要功能就是给有划痕的pc板，失去了要素光泽的pc板，透光率降低的pc板，色彩发白的pc板，能给予呈现这些疑问的pc板修改。
Its main function is to have a scratch on the PC board, lose luster factors of PC board, light transmittance lower PC board, color white PC board, PC board changes can give presents these questions.
移植QH Q型涂膜铅笔划痕硬度仪用来测试电镀锡板的抗划伤性。
The scratch resistance of tinplate was measured by using modified QHQ type pencil hardness test apparatus which is designed for organic paint coating.
若切割环和眼睛板磨损不严重，切割环和眼睛板间距＜0.1mm，且它们之间无超过1mm的沟槽划痕，可用直接打水法。
If the cutting ring and eye wear plate is not serious, cutting ring and the eye plate spacing <0.1mm, and no more than 1mm between them in a trench scratches, water law can be used directly.
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