常见例句雙語例句The utility model is composed of a level ruler body (1), an elasticity plastic clamp (2), a wooden folding ruler (3) and a level ruler component.它由水平尺尺躰（1）、彈性塑夾（2）、木折尺（3）及水平尺組件所搆成。ip.com 返回 folding ruler