dismantlement of import tariffs

例句：

1. 1. The government has announced plans todismantle the existing system of importtariffs.
   政府宣布了计划拆除现有进口关税系统。
2. 2. The tariffswere a major obstacle to trade, andtheir dismantling was long overdue.
   关税是贸易的主要障碍，它们的拆除早就应该开始了。
3. 3. The company is workingon a plan to dismantle thetariff barriers that have hinderedinternational trade.
   该公司正在制定一个计划，旨在拆除阻碍国际贸易的关税壁垒。