您要查找的是不是：
- Backup Aircraft Inventory 后备飞机库存
- Installation Aircraft Inventory Reporting System 设施飞机库存报告系统
- Primary Mission Aircraft Inventory 主要任务飞机总量
- Primary Other Aircraft Inventory 其他主要航空器库存
- Total Overall Aircraft Inventory 飞机编制总数
- Aircraft Inventory Management Group 编制内飞机总数管理小组
- Aircraft Inventory Reporting System 飞机库存报告系统
- Do you have any backup if this machine fails? 如果这台机器坏了你有备用的吗?
- We should always have a backup plan. 我们应该总是有备用的计划。
- I regret not completing the inventory on time. 我很遗憾没有按时填好库存单。
- The aircraft was flying above thick fog. 飞机在浓雾上空飞行。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- He assembled the model aircraft bit by bit. 他一块一块地装配飞机模型。
- Enemy aircraft dropped bombs on the city. 敌机向这个城市投掷炸弹。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- The store was closed for inventory all week. 那家商店因盘货暂停营业一星期。
- There's not much leg-room in these aircraft. 这些飞机的坐位没有什麽伸腿的空间。
- Artillery and aircraft were involved in the action. 在这次战斗中，使用了大炮和飞机。
- Some stores inventory their stock once a month. 有些商店每月盘货一次。－
- He sat at the controls of the aircraft. 他坐在飞机的操纵装置前。
