Some of the energy fed into the pump will be dissipated as （） due to mechanical inefficiencies, the remainder will be converted into pressure rise and fluid velocity. ["hydraulic head","static head","heat energy","steam"]
对各单位（部门）实行民主监督的方式是什么？
企业为其营销措施扩大影响的主要手段是（） ["公共关系","广告","新闻发布会","赞助公益活动"]
屋内照明线路的用电设备每一分路的要求是（） ["总容量不超过1千瓦","负荷电流不超过15安","不超过25具灯具","空调机等单相电动机不超过2千瓦","电灯、风扇、插座等总容量不超过3千瓦"]
商品引入期广告宣传的中心内容是（） ["品牌形象","新产品的性能","企业名称","产品个性"]
对办事公开民主管理各项工作实施监督的重点内容有哪些？
