2016 International Blending Conference in Bratislava, Slovakia—YouTube 二〇一六年斯洛伐克布拉迪斯拉发国际相调特会

2016 International Blending Conference in Bratislava, Slovakia—YouTube
二〇一六年斯洛伐克布拉迪斯拉发国际相调特会

(Source: https://www.youtube.com/watch?v=_OkaDGXGnUo)