龙虎算法公式图解简介：With a bang, an iron can was placed under the car. A few seconds later, a burst of thick white smoke immediately emerged from under the car, and soon the entire car body was enveloped in a thick fog.
With a bang, an iron can was placed under the car. A few seconds later, a burst of thick white smoke immediately emerged from under the car, and soon the entire car body was enveloped in a thick fog.
