(i had edited the movie to reduce the file size, please be patient while downloading. You can right click the link and choose 'save target as' for the mov files to know the download progress)
(煩請再回覆能否成功觀賞全部4段片)
Finally we(as technical manics) might got a good position(ease to access, short distance enough) to view the dynamics between pantograph and the overhead lines.