A、 Check valve,that allows fluid blows in one direction completely but blocks all flow in the other direction,is a pneumatic or hydraulic system component.
B、 Oneway valve is a hydro or gaseous system component that allows fluid flows in one direction freely but blocks all flow in the opposite direction.
C、 Check valve is a hydraulic or pneumatic system component that allows full flow of fluid in one direction but blocks all flow in the opposite direction.
答案：C
A、 Check valve,that allows fluid blows in one direction completely but blocks all flow in the other direction,is a pneumatic or hydraulic system component.
B、 Oneway valve is a hydro or gaseous system component that allows fluid flows in one direction freely but blocks all flow in the opposite direction.
C、 Check valve is a hydraulic or pneumatic system component that allows full flow of fluid in one direction but blocks all flow in the opposite direction.
答案：C
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.
A. 如果燃油设备显示有游离水,请排空系统。
B. 如果燃油样本显示有多余水,请排空系统。
C. 如果燃油样本显示有游离水,请排空系统。
A. 如果不遵守特殊预防措施,机械员打开舱门时很容易造成站在门附近的人员受伤。
B. 打开车门的机械员没有遵守规舱定的安全预防措施,造成了站在附近的人员受伤。
C. 机械员在未遵守规定的安全预防措施的情况下打开舱门,很容易造成站在舱门附近的人员受伤。
A. 原理图应包括被认为是输出源头的发电机、油箱和储液箱。
B. 原理图由被认为是输出源头的发电机、油箱和蓄压器组成。
C. 原理图应排除被认为是输出源头点的发动机、油罐和油箱。
A. Make sure that the fuel tanks are correctly grounded.
B. The fuel tanks must be grounded.
C. Make sure that the oil tanks are on the ground correctly.
A. AMM 中有停放飞机的程序,例如发电机重复开车、控制或排放油液系统、静态接地等。
B. AMM 中有停放飞机的程序,例如发电机定期开车、控制或排放油液系统、静电接地等。
C. AMM 中有停放飞机的程序,例如发电机重复开车、对油液系统控制和放泄、静态接地等。
A. The aircraft safety should be ensured.
B. The flight safety must be assured.
C. The navigation safety must be insured.
A. 控制主燃料控制哪个仪表为发动机和推力调节器提供燃料。包括电线、滑轮、连杆等物品,也是燃料控制单元的部件。
B. 控制主燃料控制所有仪表为发动机和推力调节器提供燃料。包括杠杆、电缆、滑轮、连杆等物品,也是燃料控制单元的部件。
C. 主燃油控制系统能够计量送往发动机和加力燃烧室的燃油,其包括油门杆、钢索、滑轮、连杆等,这些也属于燃油控制组件。
D. C.主燃油控制系统能够计量送往发动机和加力燃烧室的燃油,其包括油门杆、钢索、滑轮、连杆等,这些也属于燃油控制组件。
A. 控制升降舵/副翼和配平片位置和移动的系统部分。
B. 控制升降舵/升降翼和调整片位置和运动的系统部分。
C. 控制升降舵/升降副翼和配平片位置和移动的系统部分。
A. Make sure that the cabin differential pressure is zero before you unlock the door.
B. Be sure that the variance of the cabin pressure is zero before you open the door.
C. Make certain that the difference of the compartment compression is zero before you open the door.
