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常用快捷键【F3】OSNAP对象捕捉)【CTRL】+FOSNAP对象捕捉)【F7】GRIP栅格)【CTRL】+GGRID栅格)【F8】ORTHO正交)【CTRL】+LORTHO正交)【CTRL】+U极轴)【CTRL】+W对象追踪)【CTRL】+ZUNDO放弃)【CTRL】+BSNAP栅格捕捉)【CTRL】+8快速计算器)绘图命令POPOINT点)DIVDIVIDE定数等分)MEMEASURE定距等分)LLINE直线)XLXLINE射线)PLPLINE多段线)MLMLINE多线)SPLSPLINE样条曲线)RECRECTANGLE矩形)POLPOLYGON正多边形)CCIRCLE圆AARC圆弧DODONUT圆环)ELELLIPSE椭圆)REGREGION面域)TMTEXT多行文本)MTMTEXT多行文本)BBLOCK块定义)IINSERT插入块)WWBLOCK定义块文件)HBHATCH填充)修改命令CO(COPY__)MI(MIRROR镜像)AR(ARRAY阵列)O(OFFSET偏移)RO(ROTATE旋转)M(MOVE__)E(ERASE删除DEL键)X(EXPLODE分解)TR(TRIM修剪)EX(EXTEND延伸)S(STRETCH拉伸)LEN(LENGTHEN直线拉长)SC(SCALE比例缩放)BR(BREAK打断)CHA(CHAMFER倒角F(FILLET倒圆角)PE(PEDIT多段线编辑)ED(DDEDIT修改文本)三维命令3A(3DARRAY三维阵列)EXT拉伸REV3DROTATE旋转SU实体差集IN实体交集UNI实体并集SL剖切尺寸标注D(DIMSTYLE标注样式)DLI(DIMLINEAR直线标注)DAL(DI__LIGNED对齐标注)DRA(DIMRADIUS半径标注)DDI(DIMDIAMETER直径标注)DAN(DI__NGULAR角度标注)D__(DIM__NTER中心标注)DOR(DIMORDINATE点标注)TOL(TOLERAN__标注形位公差)LE(QLEADER快速引出标注)DBA(DIMBASELINE基线标注)DCO(DIMCONTINUE连续标注)DED(DIMEDIT编辑标注)DOVDIMOVERRIDE替换标注系统变量。