Manual courses, updated every day, please pay attention.

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      Manual courses, updated every day, please pay attention. Download and then watch, if some video files are compressed package, please unzip first! If the video file is not a compressed package file, you can play it directly! Please help us forward these video tutorials to all video websites or video APP, around the world. Thank you for your help!    If you need 1080p or 2K or 4K HD video, please buy VIP members!You can play it online, or download it!     Sitake video tutorials, is from zero basic to professional level, a full set! All repair courses, are zero basic to professional level! Full set! Systematic!