cu chemist holding blue liquid in pharmaceutical laboratory / auckland, new zealand - 化學家 個影片檔及 b 捲影像00:11
ms chemist analyzing blue liquid in pharmaceutical laboratory / auckland, new zealand - 化學家 個影片檔及 b 捲影像00:06
cu chemist analyzing blue liquid in pharmaceutical laboratory / auckland, new zealand - 化學家 個影片檔及 b 捲影像00:08