A、 警告:确保饮用水系统未加压。加压系统可能会造成人身伤害。
B、 注意:确保供应水系统没有压力。加压的系统会造成人身伤害。
C、 警告:确保整个水系统未加压。加压系统可能会造成人身伤害。
答案：A
A、 警告:确保饮用水系统未加压。加压系统可能会造成人身伤害。
B、 注意:确保供应水系统没有压力。加压的系统会造成人身伤害。
C、 警告:确保整个水系统未加压。加压系统可能会造成人身伤害。
答案：A
A. The drain float valves in the vent tubes and the vent channels dilute the fuel in the vent system to drain out of the tank when the fuel face is lower than the valve.
B. The drain float valves in the vent tubes and the vent channels permit fuel in the vent system to drain into the tank when the fuel level is lower than the valve.
C. The drain float valves in the vent tubes and from the vent channels allow the fuel in the vent system to drain into the tank when the fuel quantity is lower than the valve.
A. 飞机在地面上,主起落架和门是主要支撑的部分系统,包括诸如减震柱、转向轴、牵引支柱、门、连杆、连接螺栓等项目。
B. 主齿轮和门是飞机系统的一部分,在地面上提供主要支持。这个系统包括减震柱、转向轴、牵引支柱、门、连杆、连接螺栓等项目。
C. 主架和门是飞机在地面提供系统主要支撑的一部分,包括减震柱、转向轴、牵引支柱、门、连杆、连接螺栓等项目。
D. C.主架和门是飞机在地面提供系统主要支撑的一部分,包括减震柱、转向轴、牵引支柱、门、连杆、连接螺栓等项目。
A. If the pressure decreases quickly,the shear pins in the latch will break.
B. If the pressure reduces gradually,the shear pins in the lock will break.
C. If the pressure drops radically,the alignment pin in the lock will damages.
A. Connect the cover immediately.
B. Attach the cover temporarily.
C. Install the cover permanently.
A. 在升降飞机时,要确保操作升降设备的人员接受过恰当的培训并具备相应的知识。
B. 在对飞机进行平衡、顶升或放下时,确保人员接受过升降设备的培训并掌握相关技能。
C. 当水平放置飞机或顶升飞机时,确保操作升降设备的人员学过培训知识。
A. According to Boeing Docs and associated ADs,changing the dimension of the thrust reverser upper locking actuator lock sensor target can result in slow detection of the failure or undetected failure.
B. Based on the Boeing Docs and the associated ADs,if the size of the thrust reverser upper locking actuator lock sensor target is increased,it may result in delayed or undetected the actuator failure.
C. As described in Boeing Docs and the associated ADs,if the orientation of the locking actuator on the thrust reverser locking sensor target changes,the actuator failure will be delayed or undetected.
A. Operator is in charge of the maintenance of the handbook.
B. The handbook should be kept current by the operator.
C. The operator should store the handbook in a proper status.
A. Clean the elastic surfaces that are transparent.
B. Clean the plastic surfaces that are not transparent.
C. Clean the plastic surfaces that are not vague.
A. Manufacturer determines specific range properly to describe sophisticated and professional information.The information can be put in Maintenance Maunal or other documents.
B. Detailed information on more intricate and specific subjects can be written in two ways: Maintenance Manual or individual documents.The two ways are dependent on manufacturer's option properly.
C. It is up to the manufacturer to decide where and to what extent to include detailed information about more sophisticated and professional topics,either in the common Maintenance Manual or in another new documents.
A. 你可以透过检查孔看到导线。
B. 你可以透过检查孔看到电缆。
C. 你可以通过端口检查电缆。
