发布时间:2025-01-31 07:44:38
抗震钢筋就是带E的钢材,钢筋都是有抗震性能的,基本上能够承受得住7级左右的地震,能够起到钢材压弯但不断的效果。为人的生命财产安全护航。不抗震的钢筋就是普通的钢材。
我家正装修客厅大约28平方米想装空调但不知该安风管机还是安柜机
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