飞飞pc预测加拿大

简介：In fact, the manufacturing of glass is not complicated. It is similar to the manufacturing process of Ming Dynasty's colored glaze, except that the raw materials used are different and the proportions are different. Zhu Cixiang hates that he is not knowledgeable enough. If he could write down the glass ingredients and proportions, he would give them to the craftsmen. Manufacturing, the situation may be very different.