grain and powder activated charcoal的意思|示意
美 / /
英 / /
谷物和粉末活性炭
grain and powder activated charcoal的网络常见释义
椰壳细颗粒及粉末活性炭 内容摘要：椰壳细颗粒及粉末活性炭(Coconut shell fine-grain and powder activated charcoal) 吸附，脱色力好，过滤性好..