external distributor road是什么意思

用法例句

Anterior single flap external dacryocystorhinostomy:outcome in 200 Sudanese patients;

苏丹患者200例行前单瓣外路泪囊鼻腔吻合术的研究(英文)

According to mechanism of pre-wetting sizing,technology of "pre-wetting and pre-drying" and conception of "wet inside and dry outside" are put forward.

文章结合预湿上浆的机理,提出了“预湿预烘”工艺和“内湿外干”的概念。