出口电导率增加的可能起因是（）。 ["A、混入水","B、气侵","C、油基泥浆","D、钻遇盐岩层"]
耙式浓缩机的池体上方为圆筒形、下方为（）. ["A、圆形","B、圆锥形","C、梯形","D、正方形"]
一位能自我激励的人时常专注于什么？（） ["既定目标","发挥创造力","克制冲动","延迟满足","保持高度热忱"]
浓缩机溢流中煤泥粒度应小于（）mm。 ["A、0.05-0.1","B、0.1-0.2","C、0.2-0.3","D、0.3-0.5"]
入口密度下降的原因是（）。 ["A、大气混入","B、被稀释","C、地层水损失","D、加重"]
三相风机缺相运行时电流会（）
