运行速度由机车轴端速度传感器得到。
会展决策支持系统的工作方式主要是（）。 ["人机对话方式","键盘操作方式","交互会话方式","非交互会话方式"]
列车编组辆数参数是通过司机用键盘输入获得的。
原油缓冲罐液位低低会引起（）中断。 ["ESD4级","ESD3级","ESD3级以上","ESD4级以下"]
If the Charterer nominates an unsafe port and the ship is damaged through going there，（） will be liable for the damage，subject to that the master acts reasonably in going there. ["he","she","the owner","the shipper"]
什么是小型构件，怎样计算工程量？
