method of sampling and sample preparation of fluor spar in bulk.
散装氟石取样制样方法
Discussion and Practice of Developing Building Materials Using Fluor gypsum Off scum.
氟石膏废渣开发建材的探索与实践
Objective To compare the therapeutic effect of fluor protector and fluoride sodium on extensive caries of deciduous teeth.
目的比较氟保护漆和氟化钠对乳牙大面积龋的治疗作用。
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