重型水槽和水泵系统，可以精确抽取任何化学液体。
Heavy duty tank and pump systems for practically any chemical addition need.
电学，机械，还是化学。一天，在AP生物课上，一个关于电水泵和叶轮机的比较图出现在我面前。
One day, sitting in my AP Biology class, a diagram comparing the electron pumps of a cell to turbines in a dam appeared before me.
电学，机械，还是化学。一天，在AP生物课上，一个关于电水泵和叶轮机的比较图出现在我面前。
One day, sitting in my AP Biology class, a diagram comparing the electron pumps of a cell to turbines in a dam appeared before me.
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