当温度调节旋钮设定某一温度后，混水阀通过调节进入出水口的冷热水比例，使出水温度始终保持恒定。
When the temperature control knob to set a temperature, hot and cold water mixing valve through proportional control into the outlet, the outlet temperature is always constant.
图中冷热球阀即为能调节冷热水比例的太阳能混水阀。
In that cold cold can regulate the ball for the proportion of solar energy mix water valve.
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