KYF-200M3浮选机的流体动力学区域可分为()。 ["强紊流混合区","运输区","分离区","泡沫区"]
乳化沥青稀浆封层混合料湿轮磨耗试验将制作好的试件及油毛毡放入25℃的水槽中保温() ["30-40min","60-70min","40-60min","50-60min"]
办理银行汇票业务的查询查复工作时,必须做到()。 ["A、有疑必查","B、有查必复","C、查必及时","D、复必详尽","E、简明扼要"]
乳化沥青稀浆封层混合料湿轮磨耗试验中试件的烘干温度为() ["105℃","60℃","85℃","135℃"]
扩散连接工艺参数选择主要有()。 ["温度","压力","时问","气氛环境","电压"]
接应二传