A、 The swivel nuts on both valves engage threads on an internal stem that loosens or draws tight the valve stem to a metal seat.
B、 The rotating nuts on both valves are meshed with the threads on the inner valve stud,so that the valve stud is loosened or tightened to a metal valve base.
C、 The swing nuts on both valves engage with the threads on the internal spool,allowing the spool to loosen or tighten to the metal seat.
答案：A
A、 The swivel nuts on both valves engage threads on an internal stem that loosens or draws tight the valve stem to a metal seat.
B、 The rotating nuts on both valves are meshed with the threads on the inner valve stud,so that the valve stud is loosened or tightened to a metal valve base.
C、 The swing nuts on both valves engage with the threads on the internal spool,allowing the spool to loosen or tighten to the metal seat.
答案：A
A. 如果刹车片接触到盘,根据文件移开不需要的材料。
B. 如果托架触碰到板,用锉刀去除不需要的材料。
C. 如果撑杆触及盖板,用填充剂移开不合适的材料。
A. When simulating altitude,make sure you have alternate ATC transponders in active mode.
B. Make sure that the ATC transponders are in standby mode when you simulate altitude.
C. It is optional to keep the ATC transponders in ready mode during altitude simulation.
A. Light surface blooming,which can occur on items in storage,is not detrimental to the component.
B. Surface blooming,often found on corroded items,has little adverse effect on the component when it is mild.
C. Items in storage tend to have surface blooming which is beneficial to the component.
A. That portion of the system is used to eliminate or prevent the formation of ice on propellers."
B. The function of that part of the system is to decelerate or prevent the deformation of ice on propellers.
C. The usage of the system portion is to accelerate or facilitate the formation of ice on propellers.
A. Tool is adjacently available for the installation procedure.
B. Tool is subsequently available for the installation procedure.
C. Tool is subsequently available for the installation task.
A. 用专用尺子确定凹坑的长度。
B. 用直尺和塞尺测量凹坑的深度。
C. 用角尺和直尺测量裂纹的深度。
A. 为了通用航空的飞机子系统,第 10 和 20 段可以结合。
B. 对于通用航空飞机子系统,第 10 和第 20 部分可以合并。
C. 查找通用航空飞机子系统,第 10 和 20 章可以结合参照。
A. Based on different airplane design,the Emergency Procedures and other pertinent information necessary for safe operation should only be provided for some airplane.
B. Based on the particular airplane design,operating or handling distinguishing feature,Emergency Procedures and related information must be provided.
C. The Emergency Procedures and other special information necessary for safe operation shall be provided for emergencies that is common to all airplane design,operating or handling characteristics.
A. 传感器、指示器构成了机指示系统的主体部分,能够显示空气系统的温度、压力及控制位置等。
B. 发射机、指示器可用于显示空气系统的温度、压力、和控制位置等。
C. 发动机指示系统用于显示温度、压力以及空气系统的控制器位置,包括传感器、指示器等部件。
D. C.发动机指示系统用于显示温度、压力以及空气系统的控制器位置,包括传感器、指示器等部件。
A. 使用“降低”更好,因为它描述的是压力,而不是控制压力的指示器。
B. 使用“降低”更好,因为它描述的是压力,而不是监测压力的指示器。
C. 使用“增加”更好,因为它描述的是压力,而不是监测压力的指示器。
