): while ( setq kl(polar Zx Zj(*120.7) kzx(polar ZX Zj (12 0.35)) k2( polar kl(+2(*(1.02.0)pi))(1220) k3( polar kI(+2(*(3.02.0)p)(/220) k4 (polar kl zj(/12 2.0))):setq (command"line"pl p2 p3 p4 pI arc"k2 k4 k3): command (command"rotate""c"kzx k4 zx zj) (dfw) ): while (PRINC) (defun flsz ( (etqp32( polar Zy(+z(*(/-1.02.0)p)(*3.0*bl) p33( polar zx(+z(*(1.02.0)pl)(*3.0*bl) 2j(*0.0pi)(*0.511) (*1.0pi)(*0.511) ( polar p33(+z(*1.0pi)(*0.511) pf4(polar p33 (+Zj(0.0 pi))(0.5II))): setq (command"break "p32 p33"line"pfl pf2 e"pf3 pf4 );co ):progn ( setq p32(polar zx(+zj((-1.02.0)pi)) p33( polar zx(+2(*(1.02.0)pi))12);setq ): if (defun va) (if (and(/=*bl nil)(/=*dwgscale nil)) (setvar "cmdecho"O) (setvar"regenmode"0)(dfw) )；while (PRINC) ) (defun kz ( ) (while e1 (gy) (setq k1 (polar zx zj (* l2 0.7)) kzx (polar zx zj (* l2 0.35)) k2 (polar k1 (+ zj (* (/ 1.0 2.0) pi)) (/ l2 2.0)) k3 (polar k1 (+ zj (* (/ 3.0 2.0) pi)) (/ l2 2.0)) k4 (polar k1 zj (/ l2 2.0)))；setq (command "line" p1 p2 p3 p4 p1 "" "line" k2 k3 "" "line" k1 zx "" "arc" k2 k4 k3)；command (xzjd) (command "rotate" "c" kzx k4 "" zx zj) (dfw) )；while (PRINC) ) (defun flsz（） (if (= fl "Y") (progn (setq p32 (polar zx (+ zj (* (/ -1.0 2.0) pi)) (* 3.0 *bl)) p33 (polar zx (+ zj (* (/ 1.0 2.0) pi)) (* 3.0 *bl)) pf1 (polar p32 (+ zj (* 0.0 pi)) (* 0.5 l1)) pf2 (polar p32 (+ zj (* 1.0 pi)) (* 0.5 l1)) pf3 (polar p33 (+ zj (* 1.0 pi)) (* 0.5 l1)) pf4 (polar p33 (+ zj (* 0.0 pi)) (* 0.5 l1)))；setq (command "break" p32 p33 "line" pf1 pf2 "" "line" pf3 pf4 "")；command )；progn (setq p32 (polar zx (+ zj (* (/ -1.0 2.0) pi)) l2) p33 (polar zx (+ zj (* (/ 1.0 2.0) pi)) l2))；setq )；if (princ) ) (defun va( ) (if (and (/= *bl nil) (/= *dwgscale nil)) (progn (setvar "cmdecho" 0) (setvar "regenmode" 0)