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[国外标准] IEC 60811-1-2:1985 Common test methods for insulating and sheathing materials of electric cables Part 1: Methods for general application第一版

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P:2009-06-25 14:57:38

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IEC 60811-1-2:1985 Common test methods for insulating and sheathing materials of electric cables Part 1: Methods for general application第一版.pdf

pitch - (电缆的)平均直径,层心直径；节距,螺纹节距,螺距(挤出机螺杆的) （0） 投诉

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