Lesson 7 铁人 Tiěrén Iron Man大庆油田一二零五钻井队青年 Dàqìng yóutián yīèrlíngwǔ zuànjǐngduì qīngnián Daqing oilfield 1205 well-drilling team young 工人于臣,一天正在井上打 gōngren Yú Chén, yìtiān zhèngzài jǐngshàng dǎ worker...
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Lesson 7 铁人 Tiěrén Iron Man大庆油田一二零五钻井队青年 Dàqìng yóutián yīèrlíngwǔ zuànjǐngduì qīngnián Daqing oilfield 1205 well-drilling team young 工人于臣,一天正在井上打 gōngren Yú Chén, yìtiān zhèngzài jǐngshàng dǎ worker...