欧标H型钢HE200A规格190*200*6.5*10HEA200欧标H型钢欧标H型钢HE220A规格210*220*7*11HEA220欧标H型钢欧标H型钢HE240A规格230*240*7.5*12HEA240欧标H型钢欧标H型钢HE260A规格250*260*7.5*12.5HEA260欧标H型钢欧标H型钢HE280A规格270*280*10.5*18HEA280欧标H型钢欧标H型钢HE300A规格290*300*8.5*14HEA300欧标H型钢)