fluoride造句 211. Singlet and multielement lenses are available in a wide variety of configurations and materials, including glass, fused silica, sapphire, and calcium fluoride. 212. Methods: To treat teeth with fluoride treatments before or after etching.英文造句silicon carbidefreshman classpolyvinyl chloridecompetitive powercarnosinepower outputmale parentselaginellamyronball millingglycidollabeling machinedie forgingthuliumgaseous statenative productscomeniusmidplanewedgwoodgulucable systemliao dynastyACAPhermannexhaust portlanzhoureading headbinuclearmangan