A、 Another important function of lubricating oil is to protect the corroded metal surfaces.
B、 Another important task of the oil is to protect the metal surfaces from corrosion.
C、 Preventing the metal surface from further corrosion is the other essential function of the lube.
答案:B
A、 Another important function of lubricating oil is to protect the corroded metal surfaces.
B、 Another important task of the oil is to protect the metal surfaces from corrosion.
C、 Preventing the metal surface from further corrosion is the other essential function of the lube.
答案:B
A. An aircraft must comply with all the Airworthiness Standards and special conditions applicable to it,otherwise,a Type Certificate can not be issued for that aircraft.
B. A Type Certificate will not be issued for the aircraft if that aircraft meets all the requirements of Airworthiness Standards and special conditions which are applicable to it.
C. The aircraft will get a Supplemental Type Certificate only if the aircraft accords with all the applicable Airworthiness Standards and special conditions.
A. This procedure does not include the removal of the cylinder.
B. This procedure does not exclude the removal of the piston.
C. This procedure does not include the removal of the piston.
A. 拆除校装销和设备,以阻止控制舵面的自由运动。
B. 拆除校装销,安装能够阻止控制舵面自由移动的设备。
C. 拆除能够阻止控制舵面自由移动的校装销和设备。
A. 删除了注释及其相关示例。
B. 注释和相关示例做了保留。
C. 删除了注释和列举了的示例。
A. The table is referred to follow the applicable torque values.
B. The applicable torque values are used to obey the table.
C. See the table below for the applicable torque values.
A. 从安装位置向上提起气瓶。
B. 向上提起做动筒到安装位置。
C. 提起并安装气缸到位。
A. Make an estimate of the necessary quantity.
B. Evaluate on the quantity available.
C. Approximate the scale of the quality.
A. 系统的这个部分用来显示数量、温度和液压油的压力,包括的项目有传输机、指示器和告警系统等。
B. 用来显示液压油的质量,温度和压力的系统部分,包括转换器、指示器和告警系统等元件。
C. 系统中用来指示液压油的油量、温度和压力的部分,包括传感器、指示器和告警系统等组件。
D. C.系统中用来指示液压油的油量、温度和压力的部分,包括传感器、指示器和告警系统等组件。
A. 真空设备将空气注入到化合物中。
B. 真空设备可以抽走化合物中的空气。
C. 真空设备用于从化合物中提取空气。
A. The fairway and the runway centerline should align .
B. The localizer course is aligned with the centerline of the runway.
C. The localizer aligns with the center of the runway.