AIM: to evaluate the effect of fluoride in toothpaste on brushing abrasion of eroded enamel.
2
实验结果为深入研究无氟保护渣提供了新的思路和方法。
The experimental results have provided a new method for the further research of mold powder without fluorine.
3
该生产基地的建成投产，标志着中国无氟制冷生产跨进世界领先行列。
The completion and entering into production of this production base, signifies that China's fluorine-free coolant production has stepped into the world's leading ranks.
点击反馈