CAJ | 학술논문

多功能绘图工具兼具丁字尺、量角器、三角板、直尺、圆规以及工图模版等的功能，既可双向量取直线的长度，又能对任意弧度进行量取和标记；尺身采用两排规律排列的特制圆孔以实现圆或弧的精确绘制；其末端嵌入一个矩形滑块以任意延长所绘线段的长度，可有效规避制图误差。该绘图工具结构精巧，造价低廉，便于携带和使用。
다공능회도공구겸구정자척、량각기、삼각판、직척、원규이급공도모판등적공능，기가쌍향량취직선적장도，우능대임의호도진행량취화표기；척신채용량배규률배렬적특제원공이실현원혹호적정학회제；기말단감입일개구형활괴이임의연장소회선단적장도，가유효규피제도오차。해회도공구결구정교，조개저렴，편우휴대화사용。
Multifunctional drawing tool can be treated as t-square,protractor,triangle,ruler,compasses,and working diagram template and so on.It can measure the length of straight lines as well as measure and mark any radians.The tool is designed with two rows of regular arranged special holes so it ensures accuracy of drawing of circles or arcs.Length of lines drawed by the tool could be adjusted through the rectangular block on the tool,which can avoid drawing error efficiently.The tool has exquisite structures,low price and advantages of bringing and using.