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. ) V* U6 W3 ?. p+ V: [ ' b" ]/ b# U+ a4 U- D0 j" p' n" s8 I/ W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 ?3 X% V8 c. B; p, O" I