A、 Remove the unit, until the symptoms occur again.
B、 If the symptoms occur again, remove the unit.
C、 If the values occur again, remove the unit.
答案：B
A、 Remove the unit, until the symptoms occur again.
B、 If the symptoms occur again, remove the unit.
C、 If the values occur again, remove the unit.
答案：B
A. 需每隔一年就清理一下过滤器。
B. 有必要持续清理过滤器。
C. 有必要定期清理过滤器。
A. A part of the system used to eliminate or prevent de-ice on all airfoil surfaces.
B. All airfoil surfaces are part of the system used to eliminate or prevent icing.
C. The system part of all airfoil surface icing is used to eliminate or prevent it.
A. 用于指示低压的压力计使用更灵活的管子,更容易展开和卷绕
B. 用于指示较低压力的仪表使用更易弯曲的管子,线圈更易散开和缠绕。
C. 用于指示较低压力的压力表使用的软管更加柔软,可以随时解开和盘绕。
A. 这会导致组件的机械性能的恶化。
B. 这会导致组件的机械部件的变形。
C. 这会导致组件的机械装置碰撞。
A. All the related data shall be grouped in a logical manner.
B. A logical method is required to group the unconcerned data together.
C. Divide all the involved data into groups logically.
A. Find appropriate torque values in the table above.
B. Refer to the table that follows for the applicable torque values
C. Proper torque values can be found in the booklet attached.
A. When the input of the NOT gate is logic one, the output should be logic one.
B. The output keeps constant as one no matter which logic the input is.
C. When the input of the NOT gate is logic one, the output should be logic zero.
A. 技术动词在特定的技术与操作语境中给出指示和信息。
B. 技术动词用于描述指示和信息,以适用于特定的技术与操作环境。
C. 技术动词是指示性的词汇,提供有关特定技术与操作的信息。
A. The menu of contents in front of each chapter will Projects covered and the numbers assigned.
B. The catalogue of texts in front of each chapter will list the items covered and the assigned numbers.
C. The table of contents in front of each chapter will list the items covered and the number assigned.
A. 甲醇.....
B. 乙醇.....
C. 丙醇......
