A、 Put a plug on the open end of each pipe.
B、 On the opening of each pipe, put a cover.
C、 Put a cover on the loose end of the pipe.
答案：A
A、 Put a plug on the open end of each pipe.
B、 On the opening of each pipe, put a cover.
C、 Put a cover on the loose end of the pipe.
答案：A
A. In order to locate lower margins of safety components and areas, current records were reviewed.
B. To find components and areas where have showed lower margins of safety, existing results were examined.
C. Existing analyses were reviewed to identify components and areas that may have exhibited lower margins of safety.
A. One or more separate documents for some types of equipment such as avionics and instrumentation may be required because they change frequently or they have various combinations.
B. Some types of equipment such as avionics and instrumentation are changed regularly or combined in different forms, requiring to have one or more separate documents.
C. Some types of equipment such as avionics and instrumentation are often revised or combined differently to require one or more separate documents.
A. 发动机支架用于支撑发动机，固定机舱或塔架上的框架，要么是组装式结构，要么是锻造件。
B. 发动机支架要么是积木式结构，要么是锻造件，用来支撑发动机并将其固定在机舱或塔架上。
C. 发动机支架指支撑发动机并将其固定在短舱或吊架上的框架，要么是装配结构，要么是锻造件。
A. All of the top vertical mounting struts are adjustable except the primary mount struts unless they are repaired or replaced. The spare vertical strut (left forward ) and the side strut (right forward) may require adjustment during APU replacement.
B. All of the vertical primary mount struts at the top are adjustable. However, adjustments to the primary mount struts are not required unless a strut is repaired or replaced. The redundant vertical strut (forward left) and the redundant side strut (forward
C. The top of every vertical main retaining struts is adjustable. However, adjusting the main mount strut is not allowed if the strut is not repaired or replaced. During APU replacement, it may be necessary to adjust remained vertical strut (left anterior) a
A. If the wheel temperature reaches as high as 177 deg., the core of safety plug shears off and the tire slips.
B. If the wheel temperature increases to more than 177 deg., the core of the fusible plug melts and the tire deflates.
C. The core of the filter element melts once the wheel temperature is above 177 deg., causing the tire to deflate.
A. Write instructions in the infinite form.
B. Write instructions in the command form.
C. Write instructions in the appropriate form.
A. 刹车系统阐述了如何识别故障问题以及如何处理故障。
B. 刹车系统介绍了如何判断故障问题以及如果发生故障如何处理。
C. 刹车系统解释了如何识别即将出现的问题以及如果发生故障怎么办。
A. 所有发动机工作的推荐爬升速度
B. 全发工作的最低爬升速度
C. 建议的最大爬升速度
A. Present the examples, associated conditions and technique on the possible page of the chart and use the page including the chart to concise the necessary information if the space is insufficient.
B. Present the chart, examples, associated conditions and technique on the same page if possible and use the page facing the chart if the space is insufficient for the necessary information.
C. Try to place the examples, associated conditions and technique on the same page as the chart if possible and use another page including the chart to describe the necessary information when the space is not sufficient.
A. 你可以透过检查孔看到导线。
B. 你可以透过检查孔看到电缆。
C. 你可以通过端口检查电缆。
