1,270 mm, 1,524 mm, 2,032 mm(50 in, 60 in, 80 in)
1,270 mm, 2,540 mm, 3,048 mm(50 in, 100 in, 120 in)
20,000 mm/min(13.123 in/s)
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此为机器翻译文本。 (查看英文原文)
