870. Make sure that the sealant does not cause a blockage of the drain

2493. DE-ENERGIZE THE AC AND DC BUSBARS

2492. Fault isolation provides the information used to identify, locate and correct any fault that is predicted to occur on the airplane

2491. If an obscure abbreviation must be used because of space limitations, it shall be asterisked and spelled out in an unused portion of the image area

2490. The servo fuel heater attaches to the engine oil/fuel heat exchanger

2489. The fan and booster is a four-stage compressor

2488. Do not use solvents that contain chlorine to clean parts with a Rilsan coating

2487. Heat causes the pressure to increase

2486. 句子形式应该简单直接,除对实际理解和应用有必要外,省略对理论的讨论

2485. 在本规范中,飞机指的是型号合格证中规定的机身和相关部件,或飞机制造商提供的可供选择的部件。

2484. 提供飞机导航信息的组件和部件。包括VOR、皮托管、静压孔、ILS、飞行指引仪、罗盘、指示器等。