新VCMI段进线变比为() ["600\/5","1000\/5","1200\/5","2000\/5"]
露天开采常用的剥采比有()。 ["A、平均剥采比 ","B、分层剥采比 ","C、境界剥采比 ","D、生产剥采比 ","E、经济合理剥采比"]
反坦克导弹是用来摧毁敌()及其他装甲目标的导弹。 ["步兵","坦克","工事","掩体"]
烧碱循环水3#变压器的额定容量是()KVA ["1250","1600","2000","2500"]
炮兵依据效力射方法和使用兵力的不同,可分为三类,其中没有() ["集中射击","拦阻射击","直接瞄准射击","密集射击"]
如何建设我国的征信体系?