584、 Because airplanes are intended to have long lives, their flight safety must be assured.
因为飞机是要有很长的寿命,所以必须保证飞行安全

421、 The audio part of the video entertainment is delivered to each individual passenger seat on selected
channels of audio entertainment system and also may be connected to the PA system speaker.

420、The title shall be Airplane Maintenance Manual if all technical data is include.

419 、 These two groups explored the existing controlled languages and researched texts in several
maintenance manuals. The results confirmed that a simplified language was necessary.

418 、 Section 1 of the Pilot's Operating Handbook shall present basic data and information of general
interest to the pilot which is useful in loading, sheltering, handling, and routine preflight checking of the
airplane. 飞行员操作手册第一节应提供飞行员普遍感兴趣的基本数据和信息,这些数据和信息对飞机的装
载、遮蔽、操纵和飞行前例行检查有用。

417、关闭隔离活门。

416、警告、注意事项和提示可用于突出或强调重点。

415、Terms that contain a capital letter plus a noun, or a number plus a noun usually describe the shape or
configuration of something.

414、两个系统可以同时接通。

413 、 The additional information may be imparted to existing employees through the recurrent training
requirements.

412、When you do maintenance on the waste water system, do not touch your face with your gloves、
在维修废水系统时,切勿用手套触摸面部、