This is on Earth's water cycle.
这就是地球上的水循环。
你知道水的循环吗？
This process is called the water cycle.
这个过程称为水的循环。
Hydropower station water intake, water cycle, water release system.
一种水电站进水，循环水，泄水系统。
After came the focus of the lecture: "water cycle". Mrs. Ng and Mr.
随后，进入了本次讲座“实话实说”环节重点——“水循环”主题。
Now who can tell us the water cycle in the nature with these hints here?
学生看图说话，用自己的话讲述水循环。
Cycle water should be fresh and there is no sediment in the tube.
必须确保循环水必须是清洁的，而且管子中没有沉积物。
Set up strong wind water shearing and hot air cycle drying system.
超声波清洗机设置强风切水及热风循环干燥系统。
Hot water system of water and water collector between tank cycle.
热水系统用水使水在收集器与储水箱之间循环。
Hot water system of water and water collector between tank cycle.
热水系统用水使水在收集器与储水箱之间循环。
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