改进的工艺特别适用于高铁低锰地下水的处理。
The improved process is especially applicable to ground-water with high Fe and low Mn.
然而，这些化学品有害健康，产生的废料若不谨慎处理，则会污染地下水。
However, the chemicals are hazardous to health and the waste materials generated can poison groundwater if not disposed of carefully.
西门子及其竞争者的过滤器被用于处理半导体工业废水和地下水补水系统。
Siemens' filters, and those of its competitors, are used in treating semiconductor wastewater and groundwater remediation systems.
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