下列哪项不是输血前红细胞破坏的原因?() ["血液贮存时间超过4周","血液内加入了高渗溶液","血液受细菌污染","血液在室内放置时间过20分钟","血液受到强烈的震荡"]
飞机下降时,相对气流(). ["平行于飞行速度,方向向上","平行于飞行速度,方向向下","平行于飞机纵轴,方向向上","平行于地平线"]
家族性缺陷评价应在上级家族性缺陷发布后什么时间内完成?() ["一周","两周","一个月","三个月","半年内"]
下列是从古诗“二月卖新丝,五月粜新谷。医得眼前疮,剜却心头肉”中读出的信息,其中错误的是() ["农民生活艰辛","土地兼并严重","农副产品进入流通领域","小农业和小手工业紧密结合"]
(安全壳)整体泄漏率试验 (containment) integrated leakage rate test
电力物资采购跟催方法是什么?