【单选题】听力原文:(A) The fuel truck is by the jet. (B) The crane is flying low. (C) The plan is to buy fuel. (D) The playing field is wet.
【判断题】The level dimension of a plan is the level of the organazation at which the plan is aimed.
【简答题】If you think the plan is ______ (accept) you should do it according to the plan right now.
【单选题】JZ-7型空气制动机的常用限压阀由限压状态自动转换为正常状态,是通过紧急限压阀的()状态进行的。
【判断题】JZ-7型制动机分配阀的常用限压阀呈限压状态后需要缓解时,紧急限压阀首先提供一条使作用风缸排气的通路,以保证常用限压阀由限压状态自动转换为正常状态。
【简答题】The plan is going to be examined first by the research group.
【单选题】电机从电动机状态转为发电机状态运行,其电磁功率传递方式变成由[填空]。
【单选题】电机从电动机状态转为发电机状态运行,其电磁功率传递方式变成由( )
【简答题】通气机由_____状态转为______状态的机械操作,相当于通气机由静息状态进入工作状态的切换过程,所以又称为起动。在__________时还称为触发。
【简答题】通气机由______状态转为_______状态的机械操作称为呼气切换。