A、 The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant.
B、 The container for the voice recorder unit has these properties: watertproof, spin resistant and heat resistant.
C、 The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.
答案：C
A、 The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant.
B、 The container for the voice recorder unit has these properties: watertproof, spin resistant and heat resistant.
C、 The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.
答案：C
A. 维护手册的介绍部分应包括厂商出版物的清单，或可参考的清单的位置，不论它们是否在系统描述中有所阐述或是可以提供单独的文件。
B. 维修手册的介绍部分应包括供应商出版物的清单，或涉及这些清单的位置，它们可能包含在系统中或在单独的文件中被提供。
C. 维修手册的介绍部分应包括供应商出版物的清单，或查阅这些清单的位置，无论它们是否包含在系统描述中或在单独的文件中提供。
A. The Boeing 747 symbolizes the beginning of a new ear in air transport.
B. The Boeing 747 is the first type of airplane in air transport.
C. Modern air transport started from the Boeing 747.
A. 不要用手辅助低压压气机的运动。如果这样做，低压压气机可能会导致人身伤害并损坏设备。
B. 不要用手阻止低压压气机的运动。如果这样做，低压压气机可能会导致人身伤害并损坏设备。
C. 不要用手移动低压压气机。如果这样做，低压压气机可能会导致人身伤害并损坏设备。
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. Do not open the container if you are instructed that high pressure is dangerous.
B. If it states on the container that the pressure inside is high, do not open it.
C. If the instructions give a warning about dangerous pressure, do not open the container.
A. 确保飞机中心线每侧的燃油负载相等。
B. 确保飞机中心线两侧的燃油供给量相等。
C. 确保飞机中心线两侧的燃油流量相同。
A. 本章应提供制造商认为必要的信息，以便在飞机使用寿命期内可能需要进行的各种维修、大修或重大维修时正确校平飞机。
B. 本章提供制造商认定的必要信息用以保证飞机在全寿命期中进行各种维护，翻修或大修后正确校准飞机。
C. 本章提供制造商确定需要的信息用以保证飞机在运行期间进行各种维修，翻修或大修后适当配平飞机。
A. The air conditioning cooling system supplies cooled air to the cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.
B. The air conditioning cooling system supplies cold air to the passenger cabin. Includes items such as the cooling unit, indicating systems related to the cooler operation, etc.
C. The air conditioning cooling system supplies cooled air to the passenger cabin. Includes items such as the cooling pack, indicating systems related to the cooler operation, etc.
A. For clean configuration of landing, the limit load factor in g unit should be provided. For spinning and aerobatic aircraft, the load factor of flaps down should be provided as well.
B. The limit maneuvering load factors, in g units of acceleration, for clean cruise and landing configurations, shall be given. The negative g limit, flaps up, should be given for aircraft approved for spinning or aerobatics.
C. The flight maneuver load factor limit in the unit of g should be given for the smooth configuration of aircraft cruising and landing. For aircraft approved for spin or aerobatics, load limits should also be provided when flaps are opened.
A. 座椅小桌板上覆盖了一层塑料，以盖住经过处理的小桌板部分。
B. 塑料罩被安装在座椅导轨上，以覆盖暴露的导轨部分。
C. 塑料罩被安装在座椅导轨上，以覆盖经过处理的导轨部分。
