ground phosphorite磷矿粉;[土壤] 磷灰石粉
Phosphorite Grit磷矿砂
Phosphorite Powder磷矿粉
clastic phosphorite碎屑磷灰岩
phosphorite meal磷肥粉
carbonate phosphorite碳酸盐型磷矿
phosphorite resources磷矿资源
seabed phosphorite海底磷钙土
N(名词) a fibrous variety of the mineral apatite 磷灰石