【判断题】一般夹具的制造精度等于工件尺寸公差的 1/3-1/5。
【单选题】柴油发动机的功率不足,属于进气系统故障的主要原因之一是()
【单选题】口腔局部麻醉时,错误的是:
A.
操作前应询问患者既往史,有高血压病史者要测量血压
E.
术前需遵医嘱核对麻醉药的名称、浓度、剂量、有效期及患者姓名等信息
【判断题】Duke of Wellington's percept that the Battle of Waterloo was won on the playing field of Eton is in contrast with the idea that a university education really should have no substantial content.
【判断题】2018年我国科技进步贡献率达到48.5%.