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. 8 B* \" k( H( ]6 q- K6 w e6 p& [ $ Y9 Z- c2 d1 u! n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 ? ! `& H) M- {! v2 ~8 K % e5 E7 I3 Y! U请指点