The fluorin gypsum is the byproduct in producing fluorid, which is of slow hydratation, poor concreting and pollution environment.
氟石膏是氟化物生产过程中的副产品，其水化缓慢、凝结能力差，且污染环境。
The inhibition of demineralization provided by 0.2% fluorid sodium or fluorid fatty acid mixture was studied and compared at the same time.
并同时观察了02％ 氟化钠及癸酸钠与氟化钠混合液抑制牙齿脱矿的作用。
The inhibition of demineralization provided by 0.2% fluorid sodium or fluorid fatty acid mixture was studied and compared at the same time.
并同时观察了02％ 氟化钠及癸酸钠与氟化钠混合液抑制牙齿脱矿的作用。
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