你的兩個問題的具體方法很多，建議你去看看視頻教程：下面給你一些常用命令：a,*arc畫弧al,*alignar,*array陣列att,*attdefate,*atteditb,*block圖塊br,*breakc,*circle畫圓ch,*propertiescha,*chamfer倒角co,*copy復制d,*dimstyle尺寸樣式dal,*dimaligned對齊標注dan,*dimangulardce,*dimcenterdco,*dimcontinue連續標注ded,*dimeditdi*distant測距dli,*dimlinear直線標注do,*donutdt,*dtext單行文本e,*erase刪除ed,*ddeditel,*ellipseex,*extend延伸exit,*quitf,*fillet倒角g,*grouph,*bhatch填充he,*hatchediti,*insert插入塊l,*line直線la,*layer圖層le,*qleaderlen,*lengthenlt,*linetype線型lts,*ltscalelw,*lweightm,*move移動ma，*matchprop屬性匹配me,*measuremi,*mirror鏡像ml,*mline多重平行線mo,*properties屬性管理器ms,*mspace在圖紙空間裡切換到模型空間o,*offset偏移os,*osnap(f3)p,*pan平移pe,*pedit多義線編輯pr,*optionspl,*pline多義線pol,*polygon多邊形print,*plot打印ps,*pspacepu,*purge清除r,*redrawra,*redrawallre,*regenrec,*rectangle矩形ro,*rotate旋轉s,*stretch拉伸sc,*scale縮放spl,*spline樣條曲線st,style文本樣式t,*mtext多行文本to,*toolbartr,*trim修剪un,*unitsw,*wblock寫塊x,*explode爆炸xl,*xline
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