【多选题】下列关于电梯导轨的安装描述正确的有( )。【多选】
B.
轿厢侧导轨工作面与安装基准线每5m垂直度误差不大于0.6mm
【单选题】Jim has been looking for his dictionary for almost an hour, and Tracy forgot to tell him that David ________it ________2 hours ago. [ ]
【单选题】Yes. I have, and, of course, they have just what Susan expected:huge blast furnaces , converters, steel ingots , billet mills plate and section mills ,miles of railway track.
【判断题】ADC0809是8路8位A/D转换器,其典型工作频率是640KHz
【简答题】2019年3月,某市财政局派出检查组对国有大型企业甲进行会计检查,检查中了解到以下情况: (1)2019年2月,该厂会计人员A脱产学习1个月,会计机构负责人B指定成本核算C临时兼管A的会计档案保管工作,未办理会计工作交接手续。 (2)2019年3月,会计人员D调离该厂,在会计机构负责人B的监交下,D将自己负责的会计账簿移交给会计人员E,但E在交接中因疏忽未发现所接会计资料在合法性、真实性方面的问题...
【单选题】Yes. I have, and, of course, they have just what Susan expected:huge blast furnaces, converters , steel ingots, billet mills plate and section mills ,miles of railway track.
【简答题】Jim:____________ Tracy: I bought this dress for my daughter last week, but____________, I’d like to change it for a larger one. Jim: Oh, I see. Well, which one would you like to take? Tracy: _________...
【多选题】下列关于电梯导轨的安装描述正确的有()。