1593.It is understood that compliance with the above can in some instances cause duplication of test procedures,which is acceptable.

A. 航段是航线的一部分,它的两端可以是一个地理位置或一个无线电定位点。

B. 航段是航路的一部分。航路的两端分别由地理位置或一个明确的无线电站点来确定。

C. 航段即航路的一部分,起点和终点通常是一个地理位置或是一个固定的的无线电台定位点。

D. C.航段即航路的一部分,起点和终点通常是一个地理位置或是一个固定的的无线电台定位点。

A. Charge the battery.

B. Discharge the battery.

C. Inflate the battery.

A. Perform an external zonal inspection of the lower fuselage.

B. Inspect the outer area of the lowest fuselage.

C. Do the exterior medial check of the fuselage .

A. Use a degreasing agent to remove oil and grease.

B. Draw oil and grease from a degreasing agent.

C. Add oil and grease into a degreasing agent.

A. If the airframe manufacturer makes any alteration to the component of the text or illustrations,the component manufacturer will use its own masthead.

B. If the airframe manufacturer changes the component manufacturer's text or illustration in any way,he shall apply his own masthead.

C. If the airframe manufacturer alters the text or illustrations of the component manufacturer's in any way,it's own masthead shall be used.

A. 电气/电子面板和多用途部件上的图示涵盖了部分重要的通用电气和电子部件。

B. 电气/电子面板和多用途部件涵盖了所有通用电气和电子部件。

C. 电气/电子面板和多用途部件上的文字说明涵盖了所有通用电气和电子部件。

A. 识别引起故障的部分。

B. 隔离引起故障的部分。

C. 隔离这个部分会引起故障。

A. 给轮胎放气。

B. 给轮胎充气。

C. 给机轮充气。

A. Stringers and the upper wing skin are called vent channels.The vent channels go through drain float valves in the center tank.

B. Stringers and the upper wing skin are compose of the vent channels.The vent channels got exhaust float valves from the center tank.

C. Stringers and the upper wing skin make the vent channels.The vent channels have drain float valves in the center tank.

A. Hand tools can be divided to four basic categories: kicking tools,holding tools,cutting tools,bending tools.

B. Hand tools can be divided to four basic categories:kicking tools,clutching tools,cutting tools,rolling tools.

C. Hand tools will fall into four basic categories: pounding tools,holding tools, cutting toolsand turning tools.

D. C.Hand tools will fall into four basic categories: pounding tools,holding tools, cutting toolsand turning tools.