2、清洁轮子后,用压缩空气吹干。

　When wheel is cleaned, dry with the impressed air.

　When wheel is dried; clean with the compressed air.

　When wheel is cleaned, dry with the compressed air.

正确答案：C

解析：

解析:注释: clean 清洁;dry 干的,干燥的。compressed air 压缩空气。

221、Sterilize the mask assembly.

220、The priority computer compares the output parameters from the unit with its own available data by means of associated logic.

219、应提供在下列飞行阶段应对客舱或发动机冒烟和/或起火情况的程序。

218、如果一个词在一个特定的技术领域只有非常少的人理解,就会对交流造成干扰。

217、当出现低流量或冷却不充分情况时,低流量传感器向驾驶舱提供一个警报信号来发出警示。

216、This is not the complete list of all possible technical names.

215、机身是半硬壳结构。

214、A number in the top left corner of the display refers to a related page.

213、The trailing edge flaps are more than 15 units.

212、检查开口是否有从边角开始的裂缝。