模拟出错，请教高手~~急

hln6610320

模拟时
/ x4 W# b0 y# g3 Y     obj.move(pos1);
这句老出错，但不知错在哪 ，请教高手~~~
' M; @* p. X; r& L* }6 f: Y还有就是装卸站transferstation 的methods初始程序看不懂，
8 W% h* U. ~' F: `8 P) ji : integer)
-- @ : waiting Target
-- ? : TransferStation
9 E" O% e" z. J3 H# {- fis
1 N/ u! ?+ c* U- R/ ddo
if i = 1 then
  -- before starting the transfer to the TransferStation
# {; c  \: M: ~' z4 q  -- parts/target are ready
$ x* ~+ |( K3 l. y# B0 d  {4 h elseif i = 2 then
  -- before parts leaving the TransferStation
end;
- a1 \; j/ ?8 {+ I) n; V$ `9 Send;
: W7 X% ?: v/ Y: t# Z( Z# x2 o# G/ k如果要设置有条件的卸载，当物件属性integer满足一定数量条件时卸载，应该如何编写？