M113装甲车是美国陆军重装旅级战斗单位的必备装备。
The M113 family of vehicles is an integral component of the Army's Heavy Brigade Combat Team.
在载人航天领域，舱外航天服是航天员进行出舱活动的必备装备。
In the field of manned spaceflight, extravehicular spacesuit is the essential equipment in extravehicular activity (EVA).
碧海蓝天下，墨镜、拖鞋、岛服……这已经成为来到三亚度假游客的必备装备了。
The so-called "island shirt" has become part of the tourist gear together with sunglasses and flip-flops.
应用推荐