1189. 如果划痕没穿透保护层,这个装置是可使用的。 ( )

　If the scratch does not go through the protective layer, the unit is serviceable.

　If the nick does not go through the primary surface, the unit is serviceable.

　If the scratch does not go through the protective surface; the unit is movable.

正确答案：A

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3111. Used to control and direct the flow of lubrication through the engine from the inlet fitting to the outlet fitting( )

3110. 发电装置的主要功能是提供电力( )

3109. Our purpose is to provide consistent, industry Standardized Continuing Airworthiness Programs( )

3108. Let the pressure become stable after each turn of the adjustment screw ( )

3107. WARNING, if not correctly followed, could result in personal injury, or loss of life( )

3106. Give temporary protection to areas of bare metal( )

3105. 各大翼油箱给中央油箱的燃油供油流量一致。 ( )

3104. If you get an undemanded movement,do a test of the system ( )

3103. 这样安装有可能改变了绝缘电缆的走向。 ( )

3102. Exterior Color Schemes and Markings is reserved for airline use ( )