A、 氮气发生系统减少中央油箱空气混合物中的氧气含量使其不支持燃烧的发生;
B、 氮气发生系统减少主油箱空气混合物中的氧气含量使其不支持燃烧的发生;
C、 氮气发生系统减少中央油箱空气混合物中的氮气含量使其不支持燃烧的发生;
答案：A
A、 氮气发生系统减少中央油箱空气混合物中的氧气含量使其不支持燃烧的发生;
B、 氮气发生系统减少主油箱空气混合物中的氧气含量使其不支持燃烧的发生;
C、 氮气发生系统减少中央油箱空气混合物中的氮气含量使其不支持燃烧的发生;
答案：A
A. 本程序指出,在飞机进行任何改装之前,应联系美国联邦航空局,以确保不违反飞机的适航性。
B. 本程序指出,在飞机进行任何改装之前,美国联邦航空局应与厂家确认其不违反飞机的适航性。
C. 本程序指出,在飞机进行任何改装之初,应联系美国联邦航空局,以确保飞机的适航性。
A. 确保没有渗漏
B. 确保没有裂纹
C. 确保没有腐蚀
A. Before you use a word, read its definition in the approved meaning column of the dictionary.
B. Before you use a word, read its approved meaning in the definition column of the dictionary.
C. Before you use a word, read its meaning in the approved column of the dictionary definition.
A. Visually check the forward engine mount to the fan frame bolts if they are correctly installed and damaged.
B. Do a visual check of the bolts which attach the forward engine mount to the fan frame for the correct installation and damage.
C. Visually check the correct installation and damage of the forward engine mount to the fan frame bolts.
A. 循环系统使用一个风扇使空气进入客舱支配总管。这个系统降低了空调组件的供气量。
B. 回流系统使用一个风扇使客舱空气进入混合总管。这个系统减少所需供气空调组件的数量。
C. 再循环系统使用一个风扇使客舱空气进入分配总管。这个系统减少空调组件所需供气量。
A. Review the failures report from the logbook and related fault messages with center DU or CDU, debrief the flight crew for faults and report them for handling.
B. Either the logbook or center DU/CDU shall be checked for faults records and related fault information, then review the faults reported by the flight crew and take actions.
C. Consult the failures report from the logbook to find the related information on center DU or CDU, listen to the crew for faults report. Report faults and handle them.
A. 为避免不必要的磨损,将表面涂漆。
B. 为了避免不必要的颗粒,将表面清洁。
C. 为了不必要的摩擦,将表面抛光。
A. The manufacturer may establish procedures to provide feedback on unairworthy conditions that were discovered when complying.
B. The manufacture may set up procedures to provide feedback when user find some unairworthy conditions discovered by manufacture.
C. The manufacture can establish program to receive feedback of users when they discover unairworthy conditions of requirements.
A. If as many as 50% of the holes are contaminated, you should clean the display units behinds the holes.
B. The holes on the bottom of the display unit should be cleaned once over 50% of them are clogged due to contamination.
C. If contamination causes a blockage of more than 50 percent of the holes, then clean the holes on the rear of the display units.
A. 如果跳开关拔出,则断开电路
B. 如果跳开关闭合,则断开电路
C. 如果跳开关拔出,测接通电路
