painted area meaning in English
罚球圈，禁区
Examples
- Usage : mainly used in the production of fused salt electrorefining aluminium , corundum , enamel , refractories and other alumina chemical products , meanwhile it can also used in paints area
用途:适用于溶解盐电解法生产电解铝,也适用于生产刚玉、陶瓷耐火制品及生产其他氧化铝化学制品。同时也可用于涂料行业当中