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. # _/ `$ L9 @+ B* t- H5 N 4 {6 W. `! i" h) M/ c( w; P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 y+ F) i3 e% s 4 f. ]3 |7 W8 j' a/ p6 Q请指点