| unit one partⅰ the histories of water supply and sewerage engineering 词汇 partⅲ role of the technician and technologist 词汇 partⅲ two news 词汇 译文 unit two partⅰ house water-supply systems 词汇 partⅱ fire-protection systems 词汇 partⅲ drainage systems 词汇 译文 unit three partⅰ hydrology 词汇 partⅱ water distribution systems 词汇 partⅲ design of sanitary sewers 词汇 译文 unit four partⅰ the stability of laminar flows and the onset of turbulence 词汇 译文 partⅱ centrifugal pumps 词汇 译文 unit five partⅰ safe drinking water act 词汇 partⅱ physical parameters of water quality 词汇 partⅲ water processing 词汇 译文 unit six partⅰ coagulation and floceulation 词汇 partⅱ sedimentation 词汇 partⅲ filtration 词汇 译文 unit seyen partⅰdisinfection 词汇 partⅱ chlorination 词汇 partⅲ other disinfectants 词汇 译文 unit eight partⅰ water pollution …… unit nine unit ten 参考文献 |
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