vallation是什么意思
2024-02-18 19:52:17
vallation
n. 壁垒；保垒；筑城术
形容词：vallatory
例句
用作名词(n.)
- The green vallation was the main obstacle for the export of baisens because of the production manner of baisens and harmful organisms in baisens.由于我国盆景生产的方式以及有害生物的问题，绿色壁垒成为我国盆景出口的瓶颈。
- After china open its procurement market, more attention should be taken on those uncompetitive manners because they are legal trade vallation.待政府采购市场对外开放之后，再给予那些限制竞争的采购方式以更多的关注，发挥它们的合法贸易壁垒的作用。