Dual water supply is a newly - developed field to supply drinking water with high quality.
管道分质供水是近年来发展的一门新兴产业,是近几十年来提高饮水质量最现实的途径之一.
词典释义:
开拓了的矿床
Dual water supply is a newly - developed field to supply drinking water with high quality.
管道分质供水是近年来发展的一门新兴产业,是近几十年来提高饮水质量最现实的途径之一.
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