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Group participation in international trade fairs and exhibitions. e. g.
集体参与国际贸易展。
youdao
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The final products are shown in many exhibitions and fairs.
最终作品在杜邦的多个展览和展会上展出。
youdao
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The final products are shown in many exhibitions and fairs.
最终作品在杜邦的多个展览和展会上展出。
youdao