了解, 理解, 讲解 usage in the same sentence This is from a native speaker:  完整讲解请至官网收看.
Would 了解 and 理解 be suitable to be used in place of 讲解?  for example:
完整了解请至官网收看
完整理解请至官网收看
No, neither 了解 nor 理解 fit the bill. Can't really think of a good substitute.
完整讲解视频请至官网收看。
complete lecture video please to official website watch
Please go to the/our official website to watch the complete video.