HYDROGEN STORAGE ALLOY WASTE MATERIALS AND SCRAP MATERIALS  贮氢合金废料

materials saving and the utilize of materials  节材与材料利用

replacement of thin materials by thick materials  以厚代薄

controlled release phosphatic fertilizers  长效磷肥

development strategy of phosphatic compound fertilizer industry  磷复肥工业发展战略

Different nitrogenous-phosphatic fertilizing methods  氮磷互作

ecological phosphatic fertilizer  生态型磷肥

large-sized plant of high-analysis phosphatic compound fertilizer  大型高浓度磷复肥装置

organic phosphatic  有机磷

organic phosphatic insecticide  有机磷杀虫剂

phosphatic  磷酸盐的; 磷酸的

phosphatic and compound fertitizer  磷复肥

phosphatic bed  磷矿层

phosphatic bed dirision and correlation  矿层划分与对比

PHOSPHATIC CEMENTATION  磷质胶结

phosphatic coating  磷酸监涂料

phosphatic compound fertilizer industry  磷复肥工业

Phosphatic compounded fertilizer  磷复肥

phosphatic ferfilizer  磷肥

Phosphatic fertilizer  磷酸肥; 磷肥