It can be seen from Fig .3 that the value of K of the contaminated system is below one-third of that of the standard system .So the present gas-liquid system could be kept uncontaminated.

• 可以看出，由图3表示，K值的污染系统，是下面的三分一表示，在该标准体系，所以目前的气液系统可控制在未被污染的。