sewage treatment是什么意思 sewage treatment怎么读
sewage treatment的用法和样例
- The recent status and technical trends of sludge treatment and sludge reuse in Japan are reviewed.
就日本目前污泥处理现状和技术动态以及污泥的再利用方面进行了总结。 - Ponds of sewage treatment,escape canals.
污水处理池,排水沟渠,游泳池。 - The wastewater treatment system should be properly maintained.
污水处理设施必须妥善维修。
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