Its outbreak reason mainly can sum up endopathic cause and exopathic cause.
Its outbreak reason mainly can sum up endopathic cause and exopathic cause.
其发病原因主要可以归纳为内因和外因。
Its outbreak reason mainly can sum up endopathic cause and exopathic cause.
其发病原因主要可以归纳为内因和外因。