naf_naf_有道手机词典

1.Conclusion: The time of NaF varnish contact and reaction with enamel was longer than NaF solution to increase acid-resistance and reduce demineralization effectively.
结论：使用氟化钠涂膜与氟化钠溶液相比氟离子与牙釉质接触和反应的时间更长，有效地降低脱矿，提高牙釉质抗酸溶解性。
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