jinlong5 发表于 2020-5-9 14:29:41

JIS Z 3313-2009 Flux cored wires for gas shielded and self-shielded metal arc we

JIS Z 3313-2009 Flux cored wires for gas shielded and self-shielded metal arc welding of mild steel, high strength steel and low temperature service steel

admin 发表于 2020-5-13 09:11:27

谢谢您的分享，金币已奖励!
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