" q$ m9 M9 p( {# Y# t9 b$ t. n0 v+ z帮助文件这个目录下有讲解的: " J! u9 t. i L8 ]: XReference 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 6 `3 f* |4 w" u# u. G