Water and soil would have to be filtered many times to remove any radioactive matter.
水和土壤须经过多次过滤以消除放射性物质。
The building will use solar energy to heat the pools and the interior area, and all backwash water is to be filtered and returned to the swimming pools.
建筑将采用太阳能加热游泳池和室内面积，而所有反冲洗水是经过过滤和回到泳池。
The medicine water can circulate and to be filtered automatically.
药液自动恒温循环、过滤、补充、低液位保护。
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