三层楼高的船用螺旋桨！桨叶越多对船越好？这么大的机械是怎么造出来的？【科学火箭叔】

All the videos produced by this channel are designed to convey interesting popular science knowledge to the audience and are absolutely in line with the platform's usage policy. Hello everyone I am your ”Encyclopedia Uncle” Rocket Uncle ~ Talk about interesting science and teach creative people! Through the description of natural science and social science knowledge outline the overall outline of the scientific knowledge picture! If you want to know more knowledge please do it in [Uncle Scientific Rocket]] Science and Technology Culture-Technology And Culture:   • 科技文化-Technology And Culture   Life Science Popularization-Life Science:   • 生活科普-Life Science   Animal Science-Animal:   • 动物科普-Animal   Dry Goods Explanation:    • 干货讲解   Planet Culture-Planet Culture:   • 星球文化--Planet Culture   Gizmos:    • 小玩意   Rocket Uncle Teach Science:    • 火箭叔教科学   Astronomy-Astronomy:   • 天文学--Astronomy   --------------------------------------------------------------------------------- If you like me subscribe to me. Don't forget to click on the little bell🔔Your support is precious to me!💨 https://kexuehuojianshu.page.link/Din... Science Rocket Uncle# Science Popularization# Culture