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综合性能和使用寿命远高于焊接管;加工灵活,非标规格可;开模生产、可小批量订制;低合金系列更具有高强度、高韧性、易焊接、耐低温、耐疲劳的特点;
Description of Exhibits:*规格范围:10*10*1.5-400*400*30mm
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