A、 The airplanes of the manufactory Boeing and Airbus are used in many countries.
B、 The airplanes of the manufactory Boeing and Airbus are used on the earth.
C、 The airplanes of the manufactory Boeing and Airbus are used around the world.
答案：C
A、 The airplanes of the manufactory Boeing and Airbus are used in many countries.
B、 The airplanes of the manufactory Boeing and Airbus are used on the earth.
C、 The airplanes of the manufactory Boeing and Airbus are used around the world.
答案：C
A. Those units and components which furnish a means of pressurizing, heating, cooling, moisture controlling, strainer and treating the air used to ventilate the areas of the fuselage within the pressure seals, as applicable.
B. Those units and components which furnish meaning pressurizing, heating, cooling, moisture control, filter and treating the air used to ventilate the areas of the fuselage within the pressure seals, as applicable.
C. Those units and components which furnish a means of pressurizing, heating, cooling, moisture controlling, filtering and treating the air used to ventilate the areas of the fuselage within the pressure seals, as applicable.
A. 在安装V型卡箍前先润滑。
B. 在安装V型卡箍前先涂润滑脂。
C. 在安装V型卡箍前先清洁润滑脂。
A. 它应包含执行能力测试的所有必要信息,以将系统或单元稳定的保持在可接受的水平,而无需参考其他文件。
B. 它应包含在不参与其他附加文件的情况下,为使系统或者组件的可靠性的保持在可接受的水平而进行熟练度测试所必须的信息。
C. 它应包含在不参与其他附加文件的情况下,为使系统或者组件稳定的保持在可接受的水平而进行熟练度测试所必须的信息。
A. This handbook includes the documents required to be finished to the pilot by the federal aviation regulations and additional information approved by the operator and contains the FAA approved airplane flight manual.
B. This handbook includes the material required to be furnished to the pilot by the federal aviation regulations and additional information provided by the manufacturer and constitutes the FAA approved airplane flight manual.
C. This handbook includes requirements of federal aviation regulations,material provided to pilots and accurate information provided by the manufaactures,and establishes the FAA approved airplane flight manual.
A. Apply a thin layer of sealant on the sealing surfaces of the container;
B. Apply a small amount of sealant on the sealing surfaces of the container;
C. Apply a spot of sealant on the sealing surfaces of the container;
A. 始终遵守如下保持电线处于良好状况的法规
B. 始终遵守预防措施,然后保持电线处子良好状况
C. 始终遵守如下预防措施以保持电线处于良好状况
A. The pressurized hydraulic system is the best.
B. The selected hydraulic system needs to be pressurized.
C. Select the hydraulic system that you will pressurize.
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。
A. Each main tank has one sump drain valve.
B. All the water tanks have one sump drain valve.
C. The trim tank has one sump drain line.
A. 列出机械员工具箱内工作所需的工具、设备和器材
B. 列出机械员工具箱内通常不包含的工作所需的工具、设备和器材
C. 将机械员日常工作中工具箱内所需的工具,设备和器材列出来
