It'serves as a red colorant for glass and glazes.还用作玻璃和釉面的着色剂.Powdered colorant need to keep the paper, or transfer charge.粉末状的着色剂需要使用能够保持或转移电荷的纸张.This paper summarized classification, functions, varieties of colora...
Reaching a maximum height of 56cm the pygmy goat is essentially a pet.因为最高仅为56厘米，这种矮种山羊基本上作为宠物来养。Pygmy flying squirrel western cowboy adventure in mind.牛仔小飞鼠西部冒险记.The animals in effect became pygmy elephants.而结果,这些象群成了今天...