308单元航煤装车系统简述？

A. send a requisition list to the supplier
B. check that whether the items ordered have been already delivered
C. make the chief engineer on sport
D. follow a preset procedure

A. 漂移
B. 稳定性
C. 灵敏度
D. 偏移

A. 正确
B. 错误

A. 预见性
B. 过去
C. 现在
D. 将来