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. 2 K) [% A, A: v e4 C/ a- m. Z ) k/ o0 w8 T. Z0 p+ i+ |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 ?2 f/ m& c; W) l- @