pearl powder短语⁷⁹⁹⁷⁸⁺⁹ 基本例句 n.珍珠粉 How to distinguish between nanometer pearl powder and ordinary pearl powder? 如何区分纳米与普通珍珠粉？ www.1x1y.com.cn Raw materials: sampled from natural saltwater cultured pearl. Natural mid granular, a litter bigger than pearl powder of the rank above. 原材料：采样于天然以及海水养殖珍珠。天然中颗粒状，比上一级稍微大一点。 com