This series of powder activated carbon are produced through zinc chloride method with sawdust as raw material. They are full of internal pore, great adsorbability, and with quick filtration.是什么意思_This series of powder activated carbon are produced through zinc chloride method with sawdust as raw material. They are full of internal pore, great adsorbability, and with quick filtration.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句