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phosphate rock powder
释义
phosphate rock powder
Encyclopedia
农学
磷矿粉
释
phosphate rock powder
磷矿粉
由磷灰石、氟磷石等磷矿石直接用机械粉碎而成的含磷矿物粉末。一般细度要求90%的粉体通过100目筛孔,最大粒径为0.149毫米。是一种难溶性的磷肥。
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zero ideal
zeroid element
zeroing
zero-initial
zero input response
zero-input response
zero inventory
zero inventory production
zero inventory technology
zero irrelevance
zero irrelevance proof
zero isotherm
zero-knowledge interactive proof
zero knowledge proof
zero-knowledge proof
zero-knowledge proof system
zero knowledge protocol of NP language
zero kurtosis
zero-lag
zero level
zero lift drag or parasite drag
zero line
zero linear operator
zero line system
zero literature
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