606、procedures shall be provided for making an emergency descent

717、本部分所包含的限制是适航当局批准的

716、把分析结果告诉质量部

715、按需向液压油箱加液压油

714、You can stop the starting sequence at any time.

713、You can gain access to the machinery by removing the cover.

712、Write noun clusters of no more than three words.

711、Write instructions in the imperative form.

710、When you remove the shroud, be careful not to cause damage to the flange assembly.

709、when you get access to the rear fuselage through the access panel, don’t use APU line

708、When you do the lifting or lowering of the aircraft, make sure that the persons who operate the lifting lowering equipment have the correct training and knowledge.