...a company which made the Mig-21 jet fighter under licence from Russia.获俄罗斯授权制造米格–21喷气式战斗机的公司Al - alloys have special requirements on MIG welding due to their unique physical and chemical properties.铝合金因其独特的物理、化学性能对MIG...
...a multinational force aimed at ensuring that food and medicine get to needy Somalis.旨在确保将食物和药品送至贫困的索马里民众手中的多国部队Investment in fixed assets is an important vehicle for ensuring that the latest technology is available to...