And logistics support and auxiliary function as a candidate for the natural become exteriorization business.

而物流作为持与辅助功能自然成为外部化业务的候选。

Twenty-seven tissue expanders were inserted in 14 children (age range: 1.5 to 15 years) of pigmented naevi, h emangioma and scar tissue with exteriorization of the injection port.

应用国产皮肤软组扩张器共27只，采用注射壶及连接导外置的方法，对14例1.5-15岁患色素、瘤及烧伤瘢痕的患儿实行扩张术。