(setq a (getdist "\请输入管道外径(MM):")) (setq b (getdist "\请输入保温厚度(MM):")) (setq c (getdist "\请输入管道长度(M):")) (setq d (* 3.14159265 (+ a b b) c 0.001)) (alert d))
aicr317发表于2009-8-21 0:44:00(defun c:123 () (setq a (getdist \"\请输入管道外径(MM):\")) (setq b (getdist \"\请输入保温厚度(MM):\")) (setq c (getdist \"\请输入管道长度(M):\")) (setq d (* 3