• 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.