- 重点词汇
- 相关例句
Write two different paragraphs using the points and connections given below.
用以下要点和连词写出两段不同的文字.
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阐述了现有城镇排水系统的排水体制,并着重介绍了合流制排水体制和分流制排水体制.
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May manufacture the curve to transport and to diverge the confluence expulsion system.
可以制作成转弯输送和分流合流输送系统.
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The salt water, being more dense, flows upstream under the fresh water which is flowing downstream.
淡水在上层向下流动,比重更大的盐水在下层逆流向上.
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