Seminara ya tekheniki ya 2021 e neng e tshwerwe ke Bolang Refrigeration Equipment Co., Ltd. e ile ya tshwarwa ka katleho Nantong City, profinseng ya Jiangsu. Seminara ena e ile ea memela litsebi indastering ea lihatsetsi, baetapele ba Nantong Institute of Refrigeration le boenjiniere bo ikhethang 'na ...
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