【判断题】未经行车值班员同意,调车指挥人不准变更调车作业计划。
【单选题】未经 同意,调车指挥人不准变更调车作业计划。
【简答题】This brief book is aimed at high school students, but speaks to anyone learning at any stage of life. Its formal, serious style closely matches its content, a school-ly book on schooling. The au...
【单选题】未经( )同意,调车指挥人不准变更调车作业计划
【单选题】未经——同意,调车指挥人不准变更调车作业计划
【单选题】正线车站调车工作中未经( )同意,调车指挥人不准变更调车作业计划。