花边镀锌门框压型设备采用各排平均受力原则，全线滚轮平均受力，磨损均衡，延长轧辊使用寿命。
Lace galvanized frame molding equipment adopts the principle of the average stress, also the average stress of roller, the balance of the wear, prolong the service life of roll.
花边镀锌门框压型设备采用各排平均受力原则，全线滚轮平均受力，磨损均衡，延长轧辊使用寿命。
Lace galvanized frame molding equipment adopts the principle of the average stress, also the average stress of roller, the balance of the wear, prolong the service life of roll.
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