And as kind of most economical formed material, cold-formed steel members are used in practical engineering more and more widely.
而且，冷弯型钢作为经济型材，被越来越广泛地应用于工程实际中。
And as kind of most economical formed material, cold-formed steel members are used in practical engineering more and more widely.
而且，冷弯型钢作为经济型材，被越来越广泛地应用于工程实际中。
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