简述动车组维修制度的特点?
参考答案:
1)计划预防修的总体框架;
2)高科技支撑的状态修维修方式;
3)广泛实施换件修和集中修;
4)严格寿命管理。
下列不符合再生障碍性贫血表现的是()
A.发热、出血、贫血
B.一般无肝、脾和淋巴结肿大
C.全血细胞减少
D.骨髓增生低下
E.局部增生灶偶见巨核细胞增多
All the following statements relating to Cost Management Plan are accurate except: ().
A.Specifies the precision level to which schedule activity cost estimates will adhere t
B.Establishes variance thresholds for costs or other indicator
C.Defines formats for various cost report
D.Specifies preferred tools to be used for cost estimatin