A. 值班站长 B. 行车调度员 C. 车站值班员 D. 区域站长
A. 水壶 B. 食品铁皮盒 C. 烟斗 D. 钢笔
A. F(2.30),0.05 B. F(2.28),0.05 C. F(2.31),0.05 D. F(2.28),0.25 E. F(2.28),0.10