如何防治商品腐蚀？
一般情况下，对直接材料数量差异负责的部门应该是（）。 ["采购部门","产品开发部门","质量控制部门","生产部门"]
Which virtualization technology allows multiple physical devices to be combined into a singlelogical device？（） [" device visualization"," device clustering"," server visualization"," network visualizatio"]
采用TN-S临时供电系统的施工现场，防雷接地电阻为不大于（）Ω。 ["4","10","30","36"]
哪些商品不能全数检验而只能抽样检验？
护理伦理学研究内容是什么
