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.
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。
Pour the materials onto the base and use the rubber scratch board to make the surface flat and make the bottom materials permeate into the cement base. Do not leave some areas unpainted.
将物料倒于基面，用橡胶刮板刮平，要求不得漏涂，使底料渗透于水泥基层中。
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