A、 The filter must be replaced before putting new oil in the system.
B、 The replacement of the filter is optional before refueling the system.
C、 The filter can not be replaced unless you put new oil in the system.
答案：A
A、 The filter must be replaced before putting new oil in the system.
B、 The replacement of the filter is optional before refueling the system.
C、 The filter can not be replaced unless you put new oil in the system.
答案：A
A. 为确保安全，请在发动机区域周围设置栅栏。
B. 确保发动机排气管区域围绕有安全栅栏。
C. 确保发动机排气管口有安全阀的保护。
A. 刮痕的最大长度为5英寸。
B. 裂缝的最大长度为5英寸。
C. 刮痕的最大长度为5英尺。
A. These instructions are required for towing aircraft in normal or abnormal conditions, such as from soft ground, wet or icy surfaces and in the case of engine is removing or aircraft is damaging.
B. These instructions are necessary for towing the aircraft under normal or abnormal conditions, such as from a wet or icy surface on a soft ground and when the engine is removed or the aircraft is damaged.
C. These instructions are necessary to tow or push the aircraft in normal or abnormal conditions such as towing from soft ground and slippery or icy surfaces, with engines removed, or aircraft damaged.
A. 水平和垂直稳定器包括升降舵和方向舵的结构。
B. 水平和垂直稳定剂包括升降舵和方向舵的结构。
C. 水平安定面和垂直安定面连接升降舵和方向舵结构。
A. It is important that the correct sequence of assembly is used when doing a repair, this will make sure that all parts are correctly aligned.
B. It is important to assemble the parts in a correct order during a repair which makes sure all parts correctly aligned.
C. When doing a repair, the correct sequence of assembly is important, which will make sure that all parts are correctly engaged.
A. Be sure that the hose is not blocked.
B. Make sure that the tubes have no deformation.
C. Ensure that the pipes are not damaged.
A. This Handbook includes materials required to be provided to pilots under Federal Aviation Regulations, as well as additional information that to be provided by the manufacturer. These data are the bases for FAA to compile the airplane flight manual.
B. This Handbook includes materials that the manufacturer needs to provide to the pilot, as well as additional information required by the Federal Aviation Administration. Together, these data form the flight manual for FAA approved airplane.
C. 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.
A. 描述飞机仪表面板时，应命名并说明面板上的仪表、灯光、电门和控件的使用。
B. 描述飞机仪表面板时，应明确面板上各个仪表、灯、开关和控制按钮的名称，并描述各自操作方法。
C. 描述飞机仪表面板时，应命名并说明台板上的仪器、灯光、电门和控件的使用。
A. Install two mats, each 3.5 mm thick.
B. Install two spacers, each 3.5 mm thick.
C. Install two rings, each 3.5 mm thick.
A. 将飞机速度除以侧风分量来得到修正。
B. 用侧风分量除以飞机速度，得到修正值。
C. 将侧风部件和飞机分开，来得到正确的速度。
