[名词解释] 转续宿主paratenic host

《钢轨探伤管理规则》规定，探伤仪缺陷检出能力至少每（）检测一次。 ["A、周","B、月","C、季度","D、年度"] 感染阶段infective stage 寄生虫生活史life cycle 终宿主definitive host 中间宿主intermediate host 转续宿主paratenic host