Warning: file_put_contents(): Only 0 of 6197 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/totle.com.cn/index.php on line 55 fluoride dentifrice例句_fluoride dentifrice英汉例句_fluoride dentifrice双解例句_乐豆毛深蓝词典
The prevalence of dental fluorosis of the children drinking low fluorine water was no difference no matter whether using fluoride dentifrice or not. 饮用低氟水的儿童无论是否使用含氟牙膏,其氟斑牙患病率间没有差别。