A、 在此推荐清单中，更换部件对于起落架收放系统和其相关的指示系统来讲是不合理的。
B、 在此推荐清单中，起落架收放系统和适用的指示系统没有可更换的部件。
C、 此推荐清单不能用于起落架放下系统部件更换但适用于指示系统。
答案：B
A、 在此推荐清单中，更换部件对于起落架收放系统和其相关的指示系统来讲是不合理的。
B、 在此推荐清单中，起落架收放系统和适用的指示系统没有可更换的部件。
C、 此推荐清单不能用于起落架放下系统部件更换但适用于指示系统。
答案：B
A. If the filters become clogged, send them to the laboratory for analysis of the contamination.
B. If the filters are surged, send them to laboratory for contamination analysis.
C. If the contaminant is blocking the filter, the material should be sent to the laboratory for analysis.
A. Make sure that there is supplied airflow in the work area.
B. Make sure that there is sufficient airflow in the work area.
C. Make sure that there is efficient airflow in the work area.
A. The approved repair part must contain the skill and technology required to carry up the repair.
B. The approved repair portion shall include processes and techniques necessary for performing a repair .
C. The necessary workmanship and skills constitute the approval of the repair portion.
A. If no tabs are used, an identification method should be supplied to facilitate the location of each system or section.
B. If tab dividers are not used, a method of identification shall be provided to permit easy location of each System or Chapter.
C. An identification way should be offered to locate the system and chapter easily if the dividers are improper.
A. 永久绑定的手册页不会过期。
B. 临时装订的手册页无需标注日期。
C. 永久装订的手册页不需要注明日期。
A. 该指示器显示水箱的流量。
B. 该指示器显示油箱中的液压油量。
C. 该指示器显示加入油箱的油量。
A. The counted time resets to 0 when the button is kept down for two seconds.
B. The total time resets to 0 when the button is held on for two seconds.
C. The remained time resets to 0 when the button is seen down for two seconds.
A. Exterior Placards and Markings are required for ground servicing instructions, inspections, cautions, warnings.
B. Exterior Labels and Markings are required for ground servicing instructions, inspections, cautions, warnings.
C. Exterior Placards and Markings are required for ground servicing instructions, inspections, warnings, cautions.
A. 双面打印除线路图和折页外的所有页。
B. 双面打印除线路图外的的所有折页。
C. 除了折叠的线路图外，双面打印所有页面。
A. The valve has flaps shaped like a full circle.
B. The shape of the valve flaps is a half ring.
C. The valve flaps have a shape of half circle.
