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10月16日上午10时,在北京全国农业展览馆1号展馆前,人头攒动、彩旗飞扬。走过18年风雨的北京国际工程机械展览与技
At 10:00 on October 16, before the Beijing National Agricultural Exhibition Hall Hall 1, crowded, colorful flags flying. After 18 years of wind and rain Beijing International Construction Machinery Exhibition and Technology