模拟出错，请教高手~~急

hln6610320

模拟时
     obj.move(pos1);
/ u7 a* Y0 K. F4 k( a这句老出错，但不知错在哪 ，请教高手~~~
! ^2 k" M9 Q+ E+ H! L) O: B/ b还有就是装卸站transferstation 的methods初始程序看不懂，
2 k- |. B( }/ Z5 [: P/ u$ fi : integer)
/ p, {) L: D- W0 U-- @ : waiting Target
-- ? : TransferStation
is
) q6 B- b; v# H' M" C. ]do
7 ~) j) b/ z* y! w( X if i = 1 then
  -- before starting the transfer to the TransferStation
  -- parts/target are ready
/ \# t# N0 E2 S! I$ x$ [ elseif i = 2 then
' ~. D( q8 j6 _9 y! G8 d" O( k  -- before parts leaving the TransferStation
end;
end;
3 G: U3 x/ f3 I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？