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中美德煤机装备贸易竞争力比较及影响因素研究
谢文洁, 李国敏, 谭诗钲
Comparison of trade competitiveness of coal machinery equipment between China, USA, and Germany and its influencing factors
XIE Wenjie, LI Guomin, TAN Shizheng
煤炭经济研究 . 2025, (3): 124 -131 .