1542. 用来检查飞机内部和周围隔间和设备的窗户。包括透明材料、框架等。
答案解析
相关题目
1821. Report any cracks found to this manufacturer
1820. make sure that there is no blockage in the pipe
1819. adjust the indicator to zero once there is contact with the elevator tab leading edge
1818. The primer contains a material that prevents corrosion
1817. 当油箱内正压或负压力过大时释压活门可防止机翼结构损坏。
1816. Airline operators are encouraged to evaluate their particular 737NG operating environment, accompanied with debris findings at time of leaning to identify and implement the most effective and economic maintenance interval
1815. To install the indicator, tilt it rearward
1814. 螺栓在法兰的对面。
1813. Write the temperature on the engine record card
1812. 重着陆会导致发动机冲击负荷。
