Contact us
Choose a category below so we can get back to you as quickly as possible.
圖上距離是3cm 則實際距離是3x50000cm=150000cm=1500m AB的實際距離是1500米 希望我的回答能夠對你有所幫助
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.