Daga bayanan kididdiga na injinan gwangwani, yanayin ci gaban injinan gwangwani na kasar Sin yana da kyau sosai.A shekarar 1990, yanayin bunkasuwar injinan gwangwani na kasar Sin ya kai yuan biliyan 322.6, adadin da aka samu a jere ya kai yuan biliyan 7.Ana iya ganin cewa Liang Zhongkang, p...
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