چند انیمیشن کوتاه و کم حجم در مورد دستگاه Top Drive و نحوه عملکرد آن
http://http://chemicp.persiangig.com/video/Top%20Drive/Top_Drive_Grrabber_Operation_Break%5B.wmv'>
http://chemicp.persiangig.com/video/Top Drive/Top_Drive_Grabber_Adjustment.wmvhttp://http://chemicp.persiangig.com/video/Top%20Drive/Top_Drive_Grrabber_Operation_Break%5B.wmv
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