构筑: construct; build防御: defense工事: fortifications; defense work ...防御工事: barbacan; barbican; counter approach; defence works; defences; defense; fortifications; intrenchment坚毅,防御工事: fortitude防御工事用品: field defence stores辅助防御工事: accessory defense加强防御工事: strengthen defense works前方防御工事: advanced works永备防御工事: permanent defenses筑城, 防御工事, 要塞: fortification防御工事用土笼: gabion混凝土防御工事: concrete fortifications临时性防御工事: temporary fortification防御工程: defence工事构筑: construction of work构筑工事: construct field worksbuild defencesdig in会加强边境的巡逻及防御工作: border controls would be beefed up工事: [军事] fortifications; defense works; shelter◇工事构筑 construction of work构筑: construct (millitary works); build 构筑工事 construct field works; build defences; dig in防御: defense 积极防御 active defense; 消极防御 passive defense; 防御外来侵略 guard against external aggression; 共同防御 work together for the common defence; 由防御转入进攻 go over from the defensive to the offensive; 纵深防御 defence in depth; 加强防御力量 strengthen defence capabilities; 防御国家外部敌人的颠覆和侵略 guard against subversion and aggression by external enemies; 迫使敌人转入防御地位 force the enemy onto the defensive; 进攻是最好的防御。 the best defense is to attack建筑防腐剂: building preservative建筑防护: standard for safeguarding construction alteration and demolition operations; standard for safeguarding construction, alteration, and demolition operations建筑防火: building fire protection; elementary architecture; structural fire precaution筑防波堤: groin; groyne