n.修补；接线
动词patch的现在分词形式.
The roofer is patching the roof with metal. 屋面防水工在用铁皮修补屋顶。
In this paper,the research state of this kind of patching material in recent years is introduced. 本文介绍了近年来该类别修补材料的研究状况。
发货
n.调度；派遣
动词dispatch的现在分词.
