备用的

Included in the transaction are three nonflying TP-3A aircraft to used as airframe spares and extra T-56 engines to support the 12 flyable aircraft.

这次交易包括三飞TP-3A飞机进行机身备，以及额外T-56发动机以支持12可驾驶飞机。

There is a small box which contains an extra earpick and a clip.Open the side cover and put the earpick in, turn on ultraviolet ray to sterilize the earpick by pushing the switch backwards.

从前端打开侧盖把取下勺放入侧储物匣内，（匣内还有一个勺和夹子是备）把侧开关往后推，后紫外线灯打开，这时可对刚使勺进行减单消毒。