418.When the engine RPM decreases to 500, stop the engine( )

519.Some airplanes , particularly relatively simple airplanes , may not need CAPs because adequate information to maintain their continuing airworthiness throughout their useful lives is contained in the airplane＇s maintenance manual ( )

518.通气油箱排放单向活门是在 1 号和 2 号主油箱外侧油箱端部肋上。 ( )

517.你有权免费复制或出版本文件或其任何后续修改或修订的全部或部分内容。 ( )

516.你可以调节音量控制。( )

515.Make sure that equipment in the area is cleared ( )

514.WHEN YOU PUSH THE AGENT PUSHBUTTON,THE FIRE EXTINGUISHER CARTRIDGE[ ]( )

513.警告,告诫,注意可以用于来突出强调关键点( )

512.在与修订部分相对的页面的左边,使用马克垂直线来标识对插图的修订,或使用“指向手势”[O]( )

511.在记录本上做登记,表明执行了停用程序( )

510.Database synchronization is in process ( )