Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching 槓桿原理!一個人撬起一輛大卡車需要多長的槓桿?撬起地球呢?(4/7). and this video is uploaded by 冷眼纪实 at 2023-09-18T19:01:01-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [6NU-aDTIHy8]