797. 不让压力变为20psi以下。

2566. The area at which two surfaces or edges touch or are attached

2565. spherical bearing

2564. Scavenger pumps have a larger capacity than the pressure pumps, because the oil beging retured is hot and contains air Both conditions increase its volume

2563. 为得到更多的推力,需要更多的燃油。

2562. The 737-a short-to-medium-range airplane-is based on a key Boeing philosophy of delivering added value to airlines with reliability, simplicity and reduced operating and maintenance costs

2561. Put the fairing in position

2560. When down, the cover act as a guard for the switch

2559. 制造商可以选择在木章第91章中包含线路图,或者建立单独的线路图手册。

2558. The purpose of this portion of the test is to give direction to the job

2557. 应提供排故信息,说明可能的故障、如何识别这些故障以及故障的纠正措施。