2906.当用千斤顶顶升飞机时,保持重心在限制范围内。

A. The space equipment releases the air from the compound.

B. The vacuum equipment decreases the air from the compound.

C. The vacuum equipment removes the air from the compound.

A. To open the containers for these materials,suitable tools must be used.

B. The appropriate tools should be selected to open the materials,the containers is inside the materials.

C. The inappropriate tools should be selected to open the containers,the containers is made in the materials.

A. Mach digit is the percent of true airspeed to the speed of sound.

B. Mach number is the ratio of true airspeed to the speed of sound.

C. Mach number is the proportion of real airspeed to the speed of light.

A. 就防冰或除冰系统对飞机在已知结冰条件下的运行批准的影响,应在“补充程序”中的限制部分里予以明确。

B. “补充程序”的极限章节应明确规定,在已知结冰条件下运行必须确保防冰或除冰系统正常工作。

C. 防霜或除霜系统对在已知结冰条件下操作飞机的批准的影响应在“补充程序”的限制章节中明确规定。

D. C.防霜或除霜系统对在已知结冰条件下操作飞机的批准的影响应在“补充程序”的限制章节中明确规定。

A. 描述飞机座椅、座椅安全带和肩膀靠垫时,应描述如何调节座椅。

B. 描述飞机座椅、座椅绑带和肩带时,应描述如何调节座椅。

C. 描述飞机座椅、座椅安全带和肩带时,应描述如何调节座椅。

A. 描述飞机机体时,应描述所有的座位安排。

B. 描述飞机机体时,应描述可供选择的座位构型。

C. 描述飞机机体时,应描述座椅布局。

A. You can use the module to disassemble the disassembly fixture.

B. The module that you can use to disassemble is the disassembly fixture.

C. You can use the disassembly fixture to disassemble the module.

A. The gage must be lubricated before doing a check.

B. Do a check with an adjusted gage.

C. The gage is used to do calibration during a check.

A. 将装置连接到液压测试仪表上。

B. 将配件装到液压试验器上。

C. 将接头连接到液压测试台。

A. 描述飞机起落架时,应描述其相应的结构(构件)。

B. 描述飞机起落架时,应描述其建设。

C. 描述飞机起落架时,应描述施工方法。