There is water too dirty or waterqualitychange bad, need to replace clean water.
还有就是冷却水太脏或水质变坏,需要更换干净的冷却水。
2
The current situation evaluation is to contrast the current waterquality with the waterquality standard, the dynamic evaluation can reflect the trend of waterqualitychange.
现状评价是对比现状水质与标准之间的关系,而动态评价可反映水质变化的趋势。
3
To evaluate underground waterquality and analyze waterqualitychange trend offered dependable basis for underground water utilization and protection water resources in the area.