短語詞組短語food fortification 食品強化The Fortification 古城墻碉堡區(qū);古城墻堡壘區(qū)structural fortification 結(jié)構(gòu)加固工程of Fortification 工事之permanent fortification 永久筑城;永久工事natural fortification 天然防御工事temporary fortification 臨時性防御工事Moderate Fortification 中級護命aseismatic fortification 抗震設(shè)防 返回 fortification