Objective: To research into the treatment of odontohyperesthesia with precipitation of apatite.
灰石析出法治疗牙本质过敏。
Objective: To research into the treatment of odontohyperesthesia with precipitation of apatite.
灰石析出法治疗牙本质过敏。
声明：以上例句、词性分类均
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