单词vallation
n.: 壁垒;筑城术网络: 堡垒;保垒
筑城术
壁垒,堡垒
复数:vallations
To break the "technique vallation" by Europe, we must make our own means.
打破欧盟的“技术壁垒”,建立我国的技术壁垒措施。
Breaking through the green vallation and coordinating it with WTO rules
论绿色壁垒的突破及其与世贸规则的协调