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file:【微信搜索公众号：白杨学长】9000g学习资源免费分享，持续更新中.jpg file:8.MP4 file:5-1.mp4 file:06-2图解传送带.mp4 file:05-2追击相遇及图像.mp4 file:热学讲义.pdf file:00夏梦迪暑假讲义合并.pdf file:2021-02-16 004321.jpg file:9.30力学练习（一）480p.mp4 file:私播开头.pptx file:0926 万有引力（十三）.mov