Contact us
Choose a category below so we can get back to you as quickly as possible.
一個圓形的鐘面,時針從“12”順時針旋轉(30°)到”1“;時針從”3“順時針旋轉120度到(7) 360*1/12=30 120/30+3=7
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.