钩型外锁闭装置属于()锁闭. ["内部","外部","平面","垂直"]
项目CPI为1.18,SPI为0.88。请问项目状态是?() ["项目实际花费低于预算,进度滞后","项目实际花费低于预算,进度超前","项目超预算,进度滞后","项目超预算,进度超前"]
S700K转辙机外锁闭动程在尖轨(心轨)定位或反位时两侧相差不超过(). ["1.2mm","1.5mm","2mm","2.5mm"]
小套管管柱建议采用()结构即从井口到井底采用()小套管+()小套管+()小套管的形式。
按付息方式划分,债券的类型有:() ["贴现债券","零息票债券","附息票债券","浮动利率债券"]
施工进度计划的主要任务在于确定施工的()和()。