吴玛悧
树梅坑溪早餐会 #008:水质检测讲解
新北,台湾
| 2011 | 版权:吴玛悧
来自台大水工所的志愿者正在讲解检测水质的简易方法。
WU Mali
Breakfast at Plum Tree Creek (#008)
New Taipei, Taiwan
| 2011 | Copyright: Wu Mali
The volunteer from Hydrotech Research Institute, NTU is explaining the simple methods to test water.