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s600
學(xué)以致用，用以促學(xué)！
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樓主  發(fā)表于: 2011-07-29 16:06
PT1/8、PT1/4，PT3/8，PT1/2，PT3/4各等于多少分，多少mm
ghost.net
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1樓  發(fā)表于: 2011-07-30 01:07
1英寸等于25.4MM，自己乘一下就清楚了。

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