A、 Clean the surface to make sure that the sealing is satisfactory.
B、 Clean surfaces to ensure the bonding as required.
C、 Clean the surface to make sure that the bond is satisfactory.
答案：C
A、 Clean the surface to make sure that the sealing is satisfactory.
B、 Clean surfaces to ensure the bonding as required.
C、 Clean the surface to make sure that the bond is satisfactory.
答案：C
A. The drain float valves in the vent tubes and the vent channels dilute the fuel in the vent system to drain out of the tank when the fuel face is lower than the valve.
B. The drain float valves in the vent tubes and the vent channels permit fuel in the vent system to drain into the tank when the fuel level is lower than the valve.
C. The drain float valves in the vent tubes and from the vent channels allow the fuel in the vent system to drain into the tank when the fuel quantity is lower than the valve.
A. Explaining how to obtain the maximum ground miles per gallon through careful flight planning and attention to good operating procedures is the primary content.
B. Display how to achieve the main objective to get the greater ground miles per gallon by careful flight planning and attention to good operating procedures.
C. The principal purpose is to show how to increases the ground miles per gallon as much as possible with careful flight planning and attention to good operating procedures.
A. The portion of the system is used to eliminate or prevent the formation of ice on all airfoil surfaces, including wings and airfoil sections of the empennage.
B. The portion of the system is used to dispel or get rid of ice gathering on some aircraft surfaces, including wings and empennage surfaces.
C. The portion of the system is used to eliminate or forbid ice forming on outside parts of all airfoils, including the airfoils of wings and empennage.
A. 用设置开关以重置运行时间。
B. 用重置按钮以重置运行时间。
C. 用重置按钮以重置格林威治时间。
A. 当反推收回时，确保飞机远离人员。
B. 当反推放出时，确保人员远离飞机。
C. 当反推运动时，确保人员远离飞机。
A. 描述飞机起落架时，应描述前轮制动。
B. 描述飞机起落架时，应描述机轮刹车。
C. 描述飞机起落架时，应描述机轮停车。
A. 1944年，随着空中航行法令和规章的各种要求得以实现，英国民用适航机构形成了适航标准的法典。
B. 1944年，英国制定了民用适航要求来形成空中航行指令和规则守则。
C. 1944年，随着英国民用适航要求的制定，形成了适航标准的法典，通过该法典，空中航行法令和规章的各种要求得以实现。
A. The factory＇s policy of providing consulting remains unchanged.
B. The factory has been maintaining technical and component support within the policy scope.
C. The factory＇s policy on providing technical and component support has changed from the past.
A. 前轮转弯方向舵脚蹬转弯机构能混合来自于方向舵脚蹬和转弯手轮的转弯输入，并提供定中力。
B. 前轮转弯方向舵脚蹬转弯机构能混合来自于方向舵脚蹬的转弯输入进行转弯并提供定中力。
C. 前轮转弯方向舵脚蹬转弯机制能混合来自于方向舵脚蹬和转弯手轮的转弯力度，并提供折中力。
A. Outside Air Temperature is the free air static temperature, obtained either from inflight temperature indications or ground meteorological sources, adjusted for instrument error and compressibility effects.
B. Outdoor Air Temperature is the dynamic temperature of free air, obtained from flight temperature indications or ground meteorological sources and adjusted for instrumental error and compressibility effects.
C. Outdoor Air Temperature is free air stagnation temperature, from flight temperature indicating or ground meteorological resource, and according to the instrument error and compressibility effects to adjust.
