A highlight of the effort, according to Matthews, included the conversion of three single cockpit F-5E aircraft to dual cockpit F-5F aircraft.
改进工作重点之一是根据Matthews将三个单座舱的F - 5E战斗机转换为双座舱的F - 5F战斗机。 原文
The machine adopts dual-frequency conversion timing technology and Japan panasonic transducer, assuring every part drives synchronously.
采用双变频调速技术，日本松下变频器，保证机器各部位运行同步。
AZ31 Mg alloy substrates were soaked in the mixed solution of cerium nitrate and lanthanum nitrate to generate dual rare earth conversion film.
采用硝酸铈和硝酸镧混合溶液对AZ31镁合金进行了双稀土转化处理，讨论了浸渍时间对转化膜耐腐蚀性能的影响。
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