A、 左1号登机门1号地板右前边缘有一条1英寸深6英寸长的凹陷。
B、 左1号登机门1号地板离右前边缘6英寸处有一条1英寸深的凹槽。
C、 左1号登机门有一块地板到右前边缘6英寸处有一条1英寸深的凹坑。
答案：B
A、 左1号登机门1号地板右前边缘有一条1英寸深6英寸长的凹陷。
B、 左1号登机门1号地板离右前边缘6英寸处有一条1英寸深的凹槽。
C、 左1号登机门有一块地板到右前边缘6英寸处有一条1英寸深的凹坑。
答案：B
A. 确保副翼向下运动。
B. 使方向舵移动更慢些。
C. 确保升降舵移动缓慢。
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. 拧紧加油转接头(17)上的弯管接头(18)。
B. 松开弯管接头(18)上的加油转接头(17)。
C. 松开加油转接头(17)上的弯管接头(18)。
A. When fuel comes out, you should perpare for fire eliminating.
B. It is necessary to exterminate fire properly when fuel starts to leak.
C. Use a fire extinguisher immediately if there is fuel leakage.
A. 拧紧螺栓时使用不同的措辞。
B. 使用不同的扳手拧紧螺栓。
C. 拧螺栓时使用不同的扭矩。
A. That portion of the system and its controls which supply environment air to the cabin. Includes items such as controls and indicating systems related to the compressors, etc., if applicable. Does not include the stress control and indicating system for the cabin pressurization.
B. That portion of the system and its controls which supply compressed air to the cabin. Includes items such as controls and indicating systems related to the compressors, etc., if applicable. Does not include the pressure control and indicating system for the cabin pressurization.
C. That portion of the system and its controls which supply compressed air to the cockpit. Includes items such as controls and indicating systems related to the compressors, etc., if applicable. Does not include the pressure control and indicate system for t he cabin pressurization.
A. In these conditions, removal of the squibs from the fire extinguisher bottle is appropriate.
B. It is dangerous to remove the cartridges from the fire extinguisher bottle except under these conditions.
C. In these conditions, it is dangerous to remove the cartridges from the fire extinguisher bottle.
A. An example is the bleed system, supplying bleed to both the air conditioning system and the engine starters.
B. An example is the pneumatic system, supplying air to both the air conditioning system and the engine starters.
C. For example is the pneumatic system, giving air to both the air conditioning system and the engine starters.
A. Aversion means modifying the information in the existing
B. A revise explains correcting information in an old manual.
C. A revision means a modification of information in an existing manual
A. Torsion links which are connected by a towing circular at the upper end and a shock strut inner cylinder at the lower end transmit a turning moment.
B. Torsion links connected at the upper end to a steering collar and at the lower end to the shock strut inner cylinder transmit a turning moment.
C. Steering links connected at the upper end to a steering collar and at the lower end to the shock strut inner cylinder transmit a turning moment.
