当使用肥皂时, 软水立即形成泡沫.With soap, soft water forms a lather immediately.离子交换软化系列: 如三塔流动床 、 组合式软水器和全自动软水器.Ion exchange softening Series: If Mobile - bed tower, Combined softener and Automatic softener.硬水和软水是两种不同的水.Hard water an...
My own eyes had felt heavy-lidded, but now I was wide awake.我自己刚才也觉得眼睛都快睁不开了，不过现在我清醒得很。I could not relax and still felt wide awake.我无法放松，还是很清醒。Viewed in connection with his mistakes, shouldn't this make one wide awa...