draining water pipe network是什么意思 draining water pipe network怎么读
draining water pipe network的相关资料
draining water pipe network的用法和样例
- No drainage entity may drain sewage into the urban drainage pipe network and its accessory facilities if it fails to obtain an urban drainage license.
未取得城市排水许可证书，排水户不得向城市排水管网及其附属设施排放污水。 - The new pipes and network will be designed and built for treatment of early-stage rainfall.
新建排水管网考虑初期雨水处理设计。
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