A、 Multiple subsystems make up a system that pressurizes the tank to ensure water flow.
B、 That portion of the system common to more than one subsystem which is used for pressurizing supply tanks to insure fluid flow.
C、 A system consists of several subsystems that pressurize the tank to keep the water pressurized.
答案：B
A、 Multiple subsystems make up a system that pressurizes the tank to ensure water flow.
B、 That portion of the system common to more than one subsystem which is used for pressurizing supply tanks to insure fluid flow.
C、 A system consists of several subsystems that pressurize the tank to keep the water pressurized.
答案：B
A. 如果大型插图水平放置,索引批注和标题最好是径向放置
B. 尽管大型插图水平放置,索引批注和标题最好是垂直放置
C. 因为大型插图横向放置,索引批注和标题最好是垂直放置
A. Servo tab is connected on the trailing edge of primary flight control surface, moving in the opposite direction to that of primary control surface.
B. Servo tab is a small movable tab built into the trailing edge of an aircraft primary control surface, which is actuated by the cockpit control,moving in the same direction as that of the primary surface moving.
C. Servo tab is a small movable tab built into the trailing edge of an aircraft primary control surface. It moves as the primary flight control surface’s moving and not controlled by the cockpit.
A. 在起飞和飞行期间,在发动机故障的情况下应对飞机采取相应措施。
B. 对于所有飞机在起飞和飞行过程中发生的所有发动机故障,应提供相应的程序。
C. 在起飞和飞行期间,对于飞机的各种发动机故障,应执行相应程序。
A. 显示器显示一个故障信息。
B. 显示器显示一个正常信息。
C. 故障信息从显示器消失
A. 处理边缘锋利的零件时要戴手套。
B. 处理边缘有凹痕的零件时要戴手套。
C. 当接触边缘有锯齿的零件时要戴手套。
A. 本规范第0.9部分要求的表格内容可以采用补充材料的日志(或清单)形式。
B. 本规范第0.9段要求的目录可以采用补充材料的日志(或清单)形式。
C. 本规范第0.9节要求,表格内容可以在补充材料的日志(或清单)中。
A. 转子和静子相对较薄,只有大约0.1英寸厚,它们不能很好地散热并且有翘曲的趋势。
B. 转子和静子相对较薄,只有大约0.1英寸厚,它们不能很好地吸热并且有延展的趋势。
C. 转子和静子相对较薄,只有大约0.1英寸厚,它们不能很好地抵抗热量并且有膨胀的趋势。
A. 武装位置是开关的通常位置。
B. 手臂对着的位置是开关的通常位置。
C. 该电门通常放置在预位位置。
A. You must inspect the check valve to make certain that the spring holds the check valve open a short distance before installing the duct and check valve assembly.
B. Before you installing the duct and check valve assembly, you must check the check valve to make sure the spring holds the check valve open a short distance.
C. You must exam the check valve to ensure the spring holding the check valve open a short distance before mount the duct and check valve assembly.
A. When you change a word with the alternative, you must ensure that the meaning of the sentence varies.
B. The meaning of the sentence can be different when you use the alternative you select to replace a word.
C. Always keep the same meaning of the sentence when you use the alternative to replace a word.
