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; i3 M; Y3 b% j7 m9 W; s! q0 X3 m: Y4 p $ D* \: R, m2 Z) Y/ S. ?& Q' J4 k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 ? / T4 w9 R* Y8 j# J8 m" j " q- t# I/ I+ ?- W) m# I请指点