888、This task gives the maintenance steps which prepare the airplane for flight with both air conditioning packs inoperative

600、一般而言，在描述飞机或其系统时应使用第三人称。(如：前轮设有减摆器，以防止轮子在地面滚动时出现摆振。)

599、To obtain exact performance values from tables, it is necessary to interpolate between the incrementalvalues.

598、Make sure that the intensity of the reticle light decreases gradually to zero. 确保十字线光的强度逐渐降低到零。

597、Make sure that the parts are loosely assembled 一定要把零件组装好

596、In this configuration, a different test procedure is mandatory.

595、This Cap has been prepared with the intent to expand present inspection requirements as a furtherassurance of the ability of the airplane to perform within the limits of the original certification.

594、Due to frequent changes in, or varying combinations of, some types of equipment such as avionicsand instrumentation, ones or more separate documents for these products may be required. 由于某些类型的设备如航空电子设备和仪器仪表的频繁变化或不同的组合，这些产品可能需要一个或多个单独的文档。

593、Two persons are necessary ‘to do this procedure.

592、正常操作时,确保释压活门关闭。释压活门打开表示燃油通气系统出现问题。

591、Technical texts often contain long groups of words that have the function of one part of speech in asentence