A、 在外表面上涂抹密到胶。
B、 在外壁板施加载荷。
C、 在外壳上喷除防锈剂。
答案：A
A、 在外表面上涂抹密到胶。
B、 在外壁板施加载荷。
C、 在外壳上喷除防锈剂。
答案：A
A. Quickly turn on the oxygen system, the mask begins to supply oxygen.
B. Pull the oxygen mask with a sudden movement to start the flow of oxygen.
C. Suddenly start the oxygen supply system, the lake drops.
A. 包含大写字母加名词或数字加名词的术语,通常用于描述某物的形状或结构。
B. 包含大写字母加名词或数字加名词的条款,通常用于描述某亭的形式或特性。
C. 项目首字母加名词或者数字加名词的,通常要描述某物的外形和构造。
A. 制造商的刊头,出版物标题,飞机型号以及发行和修订日期或代码应出现在所有页面而且还需包含文字或插图。但是,飞机型号不应包含在发动机维护手册中。
B. 制造商的刊头,出版物标题,飞机型号以及发行和修订日期或代码应出现在所有页面而且还需包含文字和插图。但是,飞机型号不应包含在发动机维护手册中。
C. 制造商的刊头,出版物标题,飞机型号以及发行和修订日期或代码应出现在所有包含文字或插图的页面上。但是,飞机型号不应包含在发动机维护手册中。
A. The test can be canceled as long as 5 minutes is left after the text.
B. 5 minutes is a must unless you move on the test again.
C. An interval of 5 minutes is necessary before you continue the test.
A. Make sure the wire in this position is able to unlock the parts.
B. The wire must be positioned so that the parts can oscillate freely.
C. Ensure the wire is positioned to create a locking motion on parts.
A. the blade angle of propeller is the angle between blade face and rotation plane.
B. the blade angle of propeller is the angle between blade face and relative wind.
C. the blade angle of propeller is always acute angle no matter when the working status of the propeller.
A. If an engine overheat/fire detector can not operate, the engine and APU fire alarm unit alternatively changes to single loop operation. In the single loop module, only one loop must check the engine and APU fire detection module for an overheat or fire condition to give the alarm condition.
B. If an engine overheat/fire detector fails to operate, the engine and APU fire detection module automatically changes to single loop operation. In the single loop mode, only one loop must detect an overheat or fire condition for the engine and APU fire detection module to give the alarm condition.
C. If an engine overheat/fire detector is inoperative, the engine and APU fire detection module automatically changes to single loop operation. In the single loop mode, only one loop must detect an overheat or fire condition by the engine and APU fire detection module for the alarm condition.
A. Staff can enter into the base at 9am and 6pm.
B. All personnel is allowed to access into the base from 9am to 6pm.
C. Access to the base is not allowed between 9am to 6pm.
A. The slow moving and high pressure air from the turbine is fed into the combustor or burner where it is mixed with a highly flammable fuel and ignited.
B. The slow moving, high pressure air from the compressor is fed with the combustor or burner where it is mixed with a highly flammable fuel and ignited.
C. The slow moving, high pressure air from the compressor is fed into the combustor or burner where it is mixed with a highly flammable fuel and ignited.
A. Remove oil and grease with a degreasing agent.
B. Oil and grease are to be removed with a degreasing agent.
C. Fluid is to be removed with a degreasing agent.
