回帖：第二十八个视频，选择射孔枪【】
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28-Pipesim 25_ Perforation Design _ 选择枪Selecting Gun Systems-480P 清晰-AVC.part2.rar
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28-Pipesim 25_ Perforation Design _ 选择枪Selecting Gun Systems-480P 清晰-AVC.part1.rar
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