A、 螺柱的凹陷不得超过5mm。
B、 螺柱的突起不得超过5mm。
C、 螺纹的长度不得超过5mm。
答案：A
A、 螺柱的凹陷不得超过5mm。
B、 螺柱的突起不得超过5mm。
C、 螺纹的长度不得超过5mm。
答案：A
A. All tabulations shall own a title in order.
B. All tables shall bear a title with a number.
C. All figures shall have a title with a number.
A. 本规范准备过程中所遵循的（语法）结构规则与FAA在其规章准备过程中所使用的专用规则相同。
B. 在编写本规范时遵循的（语法）结构规则与FAA在编写其规章时通常使用的规则相同。
C. （语法）结构规则遵循该规范的编写，该规范和FAA在编写其规章时通常使用的规则相同。
A. ATA chapter is indicated by a pair of the digits of the first fault code.
B. ATA chapter is indicated by latest pair of the digits of the fault code.
C. The first pair of the digits of fault code indicates the applicable ATA chapter.
A. Make sure that the pressure in the cabin is almost zero.
B. Verify that the cabin pressure is not above zero.
C. Ensure that the pressure in the cabin is completely zero.
A. Generally, in describing the airplane or its system, third person wording should be used. (For example: The nose wheel is provided with a shimmy damper to keep the wheel from shimmying while rolling on the ground.)
B. In general, when describing the aircraft or its system, you should use third person such as there is shimmy damper on the nose wheel in order to prevent the wheel shimmying and rolling on the ground.
C. Generally speaking, third person should be used while describing the aircraft or their system. For example: the nose wheel is available on the shimmy damper so as to shimmy or roll on the ground.
A. 确保通过管路的流体没有气泡。
B. 确保通过管路的油液没有杂质。
C. 确保液压油流经管路没有阻碍。
A. Emergency Exit means the exit doors used to facilitate evacuation that are not normally used for exit.
B. Emergency Exit is usually used as exit whose function is convenient for evacuation.
C. Emergency Exit stands for the exit doors but not the exit which is used to facilitate evacuation.
A. Obey the procedure if there is no debris in the oil sample.
B. If the fuel is not polluted, go on with the procedure.
C. If there is no contamination in the fuel sample, continue the procedure.
A. Airspeed values shall be expressed in knots.
B. Airspeed values shall be expressed in nautical miles.
C. Airspeed values shall be expressed in lbs.
A. Put the repair patch accurately on the damaged area.
B. Put the repair patch on the correct damaged area.
C. Correctly put the repair sealant on the damaged parts.
