模拟出错，请教高手~~急

hln6610320

模拟时
! t0 C* e% y1 @) m: Y9 `. f     obj.move(pos1);
4 m3 g8 R8 ~; d7 C, T6 K这句老出错，但不知错在哪 ，请教高手~~~
1 _; Y' r6 g( O( j4 p0 |1 u- W还有就是装卸站transferstation 的methods初始程序看不懂，
i : integer)
2 P: U: _& l: F5 T# \  E! Z5 [# V; e-- @ : waiting Target
-- ? : TransferStation
is
do
if i = 1 then
  -- before starting the transfer to the TransferStation
  -- parts/target are ready
elseif i = 2 then
9 x# B1 v0 l& ?& W  s0 v1 Q$ ]  -- before parts leaving the TransferStation
& r/ x9 z+ Q" V& j6 ?7 Q; c8 ^ end;
7 x) p: v3 T1 T! t7 l! @end;
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？