评价汽油安定性的指标有()。 ["A、诱导期","B、溴价","C、实际胶质含量","D、辛烷值"]
氟利昂检漏灯调节阀可用来调节:()。 ["火焰亮度","吸入气体流量","火焰高度","火焰颜色"]
以下属于丙类传染病的是:() ["病毒性肝炎","鼠疫","霍乱","风疹"]
下列哪些可判断渣口堵() ["下渣量减少","CH4含量下降","气化炉压差增大","捞渣机电流大"]
入户调查时,应该注意的问题不包括()。 ["服装整洁,举止大方","带好证件,准时赴约","消除对方疑问,对问题的含义加以解释评论","遇到特殊情况,冷静处理"]
定性预测法