E:Inthisproject10,000tofsteelstructurewillbefabricatedanderected.Itisaveryimportantpartoftheworks.Wemustpayenoughattentiontoit.Nowletsgoandhaveacloselookatthefabricationofthesteelstructurestepbystep.C:Thatisgood.Thisisthesteelstructuremillweintendtofabric (共 13323 字) [閱讀本文] >>