如题,我看了transport block 的demand connector 的使用说明:Demand: If the demand connector is connected the block will only accept items if the value at the demand connector is greater then the current number of items being transported. ! O5 K ~' z \4 I+ h' d E6 \" V( ?7 F7 \/ U9 R+ w: g是不是说现在我transport block 正在transport 4个items,我的demand connector 输入值要大于4,比如说5之类的才能使得transport block接受我的这5个小球;反之,要是 输入值要小于4,比如2,它就必须累积到5才能走进transport block ? 1 L) X G( y% a% }/ ^: z! S 9 f; T& l" s* S2 g. F) _8 w请指点