面值为1000元、在市场上以1000元出售的债券称为() ["平价债券","溢价债券","贴现债券","零息债券"]
关于乘用车外部凸出物法规,装饰件凸出高大于5mm小于10mm,装饰件的圆角要求多大?() ["小于2.5mm","大于等于2.5mm","大于5mm","大于7mm"]
煤台被雨水冲刷出大的壕沟,出现小范围的滑落、塌方,视为()。 ["滑坡预兆","煤泥泄漏","汛情来临","煤台失控"]
筛侧空气室跳汰机的跳汰室宽度不宜过大,一般最宽可到()m。 ["2.5~3.0","3.0~3.5","3.5~4.0","4.0~4.5"]
打桩前对预制桩的检查有哪些?
粘土工序雷蒙机停车顺序是什么?