简述单纯型高热惊厥的特点。
依据华电集团《电力安全隐患排查治理工作规定(试行)》,专项隐患排查包括哪些内容?
The rated operating time of a self-contained breathing device may be reduced in actual use because of(). ["pressure differences in the atmosphere","the length of the hose attached to the facepiece","the physical exertion of the person wearing the device","spaces containing poisonous vapor"]
The radiotelephone urgency signal is(). ["mayday","pan pan","securite","seelonce feenee"]
建筑中水为使建成后能正常运行,发挥良好的经济利益应注意,下面叙述错误的是()。 ["中水处理规模不宜太大,因为中水制水成本与处理规模成正比关系","中水处理站设计规模应与实际运行处理规模相近","合理选择设备,做到设备价格低,工艺先进,运行稳定可靠","应提高处理设施的自动化程度,减少管理人员,降低人工费用"]
拆模的顺序如何?