![](https://i.ytimg.com/vi/Ufj3_031kp4/hqdefault.jpg)
‧ ...
Uploaded Date:2020-10-16
Description
隨著都市的發展,經濟的繁榮與人口快速增加,必須建置各種維持都市運作的系統。除了排洪引水的河川水道,也需要獨立的「污水下水道系統」,...
![](https://i.ytimg.com/vi/yvxSnQfGAO0/hqdefault.jpg)
‧ Sewage System:Palace Maiden ...
Uploaded Date:2020-04-13
Description
無...
![](https://i.ytimg.com/vi/EaD5kOUnLnU/hqdefault.jpg)
‧ Household Connection-Pipe:Ro...
Uploaded Date:2020-04-13
Description
無...
![](https://i.ytimg.com/vi/ihfo2pvdG7Y/hqdefault.jpg)
‧ Household Connection-Pipe:Im...
Uploaded Date:2020-04-13
Description
無...
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