短語詞組短語food fortification 食品強(qiáng)化The Fortification 古城牆碉堡區(qū);古城牆堡壘區(qū)structural fortification 結(jié)搆加固工程of Fortification 工事之permanent fortification 永久築城;永久工事natural fortification 天然防禦工事temporary fortification 臨時(shí)性防禦工事Moderate Fortification 中級(jí)護(hù)命aseismatic fortification 抗震設(shè)防 返回 fortification