diatomaceous earth
矽藻土
硅藻土
砂藻土
硅藻土杀虫剂
阳离子聚丙烯酰胺
迪克逊氏断层面学说
钻石组织
diatomaceous earth filter
diatomaceous earth block
diatomaceous earth membrane
diatomaceous earth carrier
refined and modified diatomaceous earth
macroporous diatomaceous earth column
diatomaceous earth support
polishing diatomaceous filtration
diatomaceous insulating brick