负责确定设备的价值的部门是()。 ["运检部","财务部","营销部","安监部","调度部"]
根据利用系数、焦比、冶强之间关系,当焦比一定时,利用系数随着() ["冶强的降低而提高","冶强的降低而降低","冶强的变化而保持不变","不确定"]
空气流过一粗细不等的管子时,在管道变细处,气流压强将(). ["增大","减小","不变","不一定"]
sap系统中,进行采购物资收货的事务代码是() ["MICO","ME11","MIGO","XK01"]
低功率物理试验 low power physical test
消毒的目的,可将消毒分为两类()和()。疫源地消毒又分为()和()。