| 摘要 |
PURPOSE: A water supply system is provided to prevent a water pipe from being frozen to burst. CONSTITUTION: The water supply system contains a water intake(1), a water storage tank(2) storing up water, a water pipe(3) connecting the water intake(1) and the water storage tank(2) to supply water to the water storage tank(2), a water control valve(4) installed to the water pipe(3) from the water storage tank(2) to keep the water level of the water storage tank(2), and an overflow pipe(5) diverged from the water pipe(3) and connected to the outside of the water storage tank(2).
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