低水水位报警电加热器停止加热，水泵自动补水；
Low water water level warning electric heater stop, heat, water pump mend water automatically;
但含有除草剂的水不能再排向河流，而且我们知道低水位将会对习惯于高水位的河流生态系统造成危害。
But water containing the herbicide cannot be released back into the river and it is known that low water levels can harm river ecosystems accustomed to higher levels.
就如同水依其水位差而流动，电流的造成就是由电位高的地方流向电位低的地方。
Just as the water level in accordance with its poor flow of current is caused by the potential flow in areas with high and low potential areas.
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