Contact us
Choose a category below so we can get back to you as quickly as possible.
1kg=9.8牛 1牛=102g
是牛頓得牛麼?是的話1牛等於9800克.
公斤就是千克,是質量的組織,牛是力的組織,物理量都不同,怎麼能等?
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.