单选题
发布日期:2020-04-10
increased number of pop-ups.
decreased volume of spam.
decreased system performance.
home page hijacking.
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空载试车的目的是()检查机组各部位有无异常振动、声响;对大中修理后和更换的零件及新安装机组进行磨合;对机组进行预温,以保证良好的润滑。
下达编制下一年预算草案指示的是()。
以下()表有记录申报人员代码。
中国现代文坛的双子星座:()和()
《继电保护和安全自动装置技术规程》规定,66kV单侧电源线路可装设一段或两段式电流速断保护和()保护,必要时可增设复合电压闭锁元件。
什么叫相对离心力?
建筑工人,20岁,3日前自高处跌下,背痛,双下肢不能活动,大小便不能自控。该病人神经功能最可能的预后是()。
民以食为天、天以食为先。食品安全是天大的事。
确定锚段的长度时需考虑哪些因素?
企业劳动关系预警系统主要包括()
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