alldoing1 发表于 2018-5-18 00:09:24

ASTM B 258-2002 Standard Specification for Standard Nominal Diameters and Cross-

ASTM B 258-2002 Standard Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wirses Used as Electrical

admin 发表于 2018-5-18 10:58:43

谢谢您的分享,金币已奖励!
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