1250. If the test does not give satisfactory results, do the fault isolation procedure

A. 通过活门的流体必须是可见的

B. 通过活门的油液必须是透明的

C. 通过活门的流体必须是连续的

A. Examine and remove the parts that are damaged.

B. Examine the removed parts with damage.

C. Examine the removed parts for damage.

A. 当在设定的周期内存在电子流,该电子流在设定的时间内重复,然后停止时,方波就会产生。

B. 方波是产生的,当有一段时间的电子流,停止一段时间,然后重复。

C. 当在设定的周期内存在电子流,该电子流在设定的时间内停止,然后重复时,方波就会产生。

A. To help the tracing circuit, we need to build trunk wire recognition code.

B. Separate wire identification codes are built to assist in tracing circuits.

C. Unitive wire identification codes provide assistant in tracing circuitry.

A. Text shall be as brief and concise as practicable.

B. The text is simple and clear for readers.

C. When preparing the text, it must be easy and relevant.

A. 内部喇叭打到开位并且保持在开位,当探测器有动力的时间够长,并且烟雾传感器探测到烟雾。

B. 只有探测器有电, 并且烟雾传感器探测到烟雾, 内部开关才会打开到开位并且保持在开位。

C. 只要探测器有电源并且烟雾传感器探测到烟雾,内部的喇叭就会打开并且保持在开位。

A. Sentence forms shall be simple and direct avoiding the obvious, the elementary and discussions of theory except where essential for practical understanding and application.

B. Sentence forms shall be simple and direct, avoiding the obvious and the elementary, and omitting discussions of theory except where essential for practical understanding and application.

C. Sentence forms shall be simple land direct iso as to avoid the obvious and the elementary, and to omit discussions of theory except where essential for practical understanding and application.

A. 每一页都必须载明原始事件日期直到修订,修订时,也必须载明最新修订的事件期。

B. 每一页都必须标明原始版本的出版日期,直到修订为止。当有修订时,也必须标明最新修订版的出版日期。

C. 每一页都必须标明原刊出版到修订的日期,修订时,也必须标明最新修订版的出版日期。

A. The form of the climb performance presentation is decided by the airplane manufacturer.

B. The form of the cruise performance presentation is at the discretion of the airplane manufacturer.

C. The format of the cruise performance presentation is at the discretion of the airplane manufacturer.

A. 旋转控制开关到完全关闭位置。

B. 旋转控制开关到完全接近位置。

C. 按压控制开关到完全关闭位置。