1221、These FAA advisory circulars provide ＇specific information regarding continued airworthiness requirements for themanufacturer and owner/operator.

267、Do test B as an alternative to test A. 做测试 B 作为测试 A 的替代方案。

266、Care must be taken not to damage the firewall cover.

265、The topic sentence is the first and most important sentence in a paragraph.

264、The laptop has three primary parts.

263、The writing rules cover aspects of grammar and style. The dictionary gives the general words that awriter can use.

262、This method is recommended as minimizing errors of distribution, and also informs owners of theavailability of systems and equipment.

261、此步骤仅适用于包括极少量铆钉的修理。

260、This table that follows shows the data

259、所有页面上必须有制造商的报头，出版物标题，飞机型号，发行或修订日期。

258、This index helps you find the applicable STE rules related to different specific subjects.