【单选题】下列说法正确的是( )
A.
物流设备的一般日常维护保养包括班前和班后的保养
B.
一级保养是装备磨损的一种补偿形式,也是物流装备的定期保养
C.
物流装备的二级保养是为了使装备达到完好标准,提高和巩固装备完好率,延长大修期而进行的维护保养。
【多选题】what are the indicators used to measure the economic importance of sport industry
D.
number of sports events
【判断题】To measure economic welfare, one needs only to measure real GDP.(为了衡量经济福利,只需要衡量实际的国内生产总值。--谷歌翻译)
【判断题】烯烃 α-H 的卤代反应属于自由基取代反应,也可称为自由基链锁反应。
【判断题】GDP is not simplest way to measure economic development.
【简答题】What'sthe best way to measure economic inequality? By CarmelLobello At http://theweek.com/article/index/254366/whats-the-best-way-to-measure-economic-inequality The three differentmeasurements paint v...
【单选题】The statistic used by economists to measure the value of economic output is:
D.
the unemployment rate.
【判断题】定期保养(一级保养)是维修工以为主,操作工辅导的。 ( )
【单选题】以操作工人为主、维修工人辅助按计划对设备进行的定期维护是