2楼
请直接阅读这个帖子：http://www.gpszx.com/forum/message.php?id=26368
里面有你的答案。
http://www.gpszx.com 中国给排水工程师的网上家园！
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3楼
告诉大家一个翻译网址http://www.netat.net/index.htm
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4楼
我觉得应是water & wastewater engineering
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5楼
water and wastewater没错的
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6楼
hbluep is right ,i think
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7楼
"water & wastewater engineering "means "给排水工程"
it is project n(名词都不记得了)
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8楼
i think it should be "water plumbing and drainage"
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9楼
water supply and wastewater
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10楼
Ordinally,“water supply and drainage”
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11楼
应该是：water and wastewater.
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