The Shangmanggang gold deposit is a typical red clay type gold deposit in western Yunnan.
上芒岗金矿是滇西地区具代表性的红色粘土型金矿。
Choose the right clay for your skin type.
根据你的肌肤种类来选择适合的粘土。
Clay solid acid is a new type catalytic materials.
粘土固体酸是一种新型的催化材料。
Clay solid acid is a new type catalytic materials.
粘土固体酸是一种新型的催化材料。
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