Weichai Power, the world's largest manufacturer of diesel and electric engines, introduced a revolutionary diesel design with a thermal efficiency rating of 53l09%. Most diesel motors in use today operate at 45-46% efficiency. Users of the new engines...

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請各位多多支持贊助問題先生： Paypal: mrquestion2010@gmail.com 每一集視頻都是一個題目的探討，也是一些相關技術的研究，問題先生花了大量時間搜集資料，確認對照有關數據，進行項目分析與立論，給大家一個比較全面和客觀的認識。 ...

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Join us in this in-depth exploration of the unprecedented surge in China's semiconductor industry, uncovering its causes and discussing the far-reaching global implications. From the rapid growth of domestic semiconductor companies to the impact on the...

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神舟十七号航天员汤洪波、唐胜杰、江新林已启程返航，踏上回家之旅。太空"出差"半年，神十七乘组完成两次出舱任务，开展多项科研工作......4月30日，航天员乘组将返回东风着陆场，一起见证神舟十七号回家！ 《中国航天》播放列表：https://bit.ly/34wA72x 【欢迎订阅CCTV中文频道】：https://www.youtube.com/@CCTVCH #中国航天 #神舟十七号 ...

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■□欢迎订阅CCTV纪录■□www.youtube.com/@CCTVDocumentary 《神奇的嫦娥五号》https://www.youtube.com/playlist?list=PLwXMmy5fUrVwFtrmODxW0j3sftvNY0noS ■□节目简介■□ ...

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