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12inch鏄灏戝帢绫?2inch鏄灏戝帢绫虫湁澶氬ぇ

5 inch 鏄灏戝帢绫筹紵

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1mil=1/1000inch=0.00254cm=0.椤规椿褰撹堪甯稿姩鐮?254mm銆?/p>

1inch=1000mil=2.54cm=25.4mm銆?/p>

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鐮?yard,yd) 锛氬伐鏅崄杞存灉杞﹂吀灞遍潚鍒欏尰1鐮?3鑻卞昂=0.9144绫炽€?/p>

鑻卞(f,fath,Fa) 锛?鑻卞=2鐮?1.8288绫炽€?/p>

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