常見例句雙語例句The two ruler rods form an angle which is overlapped on a measured angle. The read number of the angle reticle reflected onto the graduation ruler is a measured angle.兩尺桿形成一個角重曡於被測角上，反映在刻度尺上的角度刻線讀數(shù)就是被測角度。ip.com 返回 graduation ruler