# ~4 G) _) U1 M! p' f: o& x帮助文件这个目录下有讲解的: 5 \# Y! u% `. M' A4 c3 N6 J& _Reference Help > Material Flow Objects > Shared Properties of the Material Flow Objects > Attributes of the Material Flow Objects > Attributes for Setting Times of the Material Flow Objects 0 k+ i: m# h5 i- k3 x2 G