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锅炉的排污阀或排污管不应采用()连接。
人格发展的关键期被认为是( )。
交叉补集的符号是|。
对于井管标注描述正确的是()
甲、乙共购了一间街面房,经营饮食。甲欲转移其份额。丙知道此事后支付甲5千元,欲购买。甲父知道此事后,也欲购买。乙也欲以5千元购买。依法甲的份额应转让给()
下列哪个服务器属于Web Server?()
()是指在签订技术转让许可协议后,许可方自己仍有权使用这项工业产权或专有技术,也有权再与其他人签订同样主题的许可协议,把同样的技术给其他人使用。
学前儿童科学教育的层次结构,也可以称之为纵向结构。学前儿童科学教育的目标按其层次,从上到下一般可以分为四个层次。
颈动脉窦综合征的特点()。
关于财产保险的特征,下列说法不正确的是()。
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