A、 The properties of these sealants make themselves easily corroded.
B、 Corrosion frequently occurs due to the features of these sealants.
C、 The properties of these sealants prevent corrosion.
答案：C
A、 The properties of these sealants make themselves easily corroded.
B、 Corrosion frequently occurs due to the features of these sealants.
C、 The properties of these sealants prevent corrosion.
答案：C
A. Before opening operation, check the appearance of the door slide warning pennant in the door window to make sure that the escape slide is not armed.
B. Before opening operation, check the availability of the door slide warning pennant in the door window to make sure that the escape slide is not extracted.
C. Before opening operation, check the appearance of the door slide warning indicator in the door window to make sure that the escape slide is not retracted.
A. You may use alerts and cautions to emphasize some important places.
B. The important parts must be highlighted by using the warnings,cautions and notes.
C. Warning,cautions and notes may be used to highlight or emphasize important points.
A. 未经保护,请勿进入发动机测试区域。
B. 未经允许不得进入发动机试车区域
C. 未经批准,请勿进入发动机测试控制中心。
A. 添加一个厚的垫片
B. 添加一个薄的垫圈
C. 添加一个薄的垫片
A. That portion of the system that uses radio/radar beam, heading and horizontal gyro, Pitot static and manually induced inputs to the system to automatically control yaw, pitch and roll of the aircraft. This includes powering devices, interlocking devices and amplifying, computing, integrating, controlling, actuating, indicating and warning devices such as computers, servos, control panels, indicators, warning lights , etc.
B. That portion of the system that uses radio/radar beam, directional and vertical gyro, Pitot static and manually induced inputs to the system to automatically control yaw, pitch and roll of the aircraft. This includes power source devices, interlocking devices and amplifying, computing, integrating, controlling, actuating, indicating and warning devices such as computers, servos, control panels, indicators, warning lights, etc.
C. That portion of the system that uses radio/radar beam, directional and vertical gyro, Pilot static and, manually induced inputs to the system to automatically control yaw, pitch and roll of the aircraft. This includes power source devices, locking devices and shrinking, computing, integrating, controlling, actuating, indicating and warning devices such as computers, servos, control panels, indicators, warning lights, etc.
A. The standby altimeter is supplied with static pressure by the standby probes to indicate the altitude of the aircraft in abnormal condition.
B. The standby alitimeter indicates the barometric altitude of the aircraft, it depends on static pressure supplied by the standby probes.
C. The standby altimeter is supplied with pitot pressure by the standby probes to indicate the barometric altitude of the aircraft.
A. 冲击载荷会导致发动机发生冲击损伤。
B. 重着陆会导致发动机发生冲击载荷。
C. 飞机载重过太会导致发动机着陆时受到冲击。
A. 按需增加一个螺帽。
B. 如果必要,增加一个垫圈。
C. 必须增加一个垫圈。
A. The Specification provides flexibility in Handbook preparation based on the complexity of the airplane while maintaining a high degree of standardization of arrangement, definitions, and performance information.
B. The Specification provides flexibility in Handbook preparation based on the complicacy of the airplane, but ignoring a high degree of standardization of structure, definitions, and performance information.
C. The Specification provides uniformity in Handbook preparation based on the simplicity of the airplane while retaining a high degree of standardization arrangement. definitions; and performance information.
A. 大翼的主要结构框架包括梁、肋、桁条、燃油箱整体结构、翼尖油箱支撑结构和开口周围结构。
B. 大翼的主要框架包括隔框、肋、加强筋、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口。
C. 大翼的主要结构包括翼梁隔框、肋条、内部燃油箱结构、翼尖油箱支撑结构和结构周围的开口
