A、 An annunciator device is displayed on the panel, which shows how it works.
B、 If an annunciator panel is installed, explain how it operates.
C、 If a display appears on the annunciator panel, it explains that how the system works.
答案：B
A、 An annunciator device is displayed on the panel, which shows how it works.
B、 If an annunciator panel is installed, explain how it operates.
C、 If a display appears on the annunciator panel, it explains that how the system works.
答案：B
A. Use a vertical line along the outside of the page to mark changes, additions, and deletions. Underline only the parts that was changed. Changes to the illustration are also identified with a vertical line to the left of the changed content. Every change should be dated.
B. Use a vertical line along the outside of the page to mark alterations, additions and deletions. Only changes are marked by a vertical line. Use a vertical line in the left margin of the illustration to indicate the changes. Every page should be dated for revision.
C. A vertical line along the outside of the page indicates that the content has been changed, added, and removed. Mark special parts that have been changed. Changes to the illustration can be indicated directly with a vertical line to the left of the content. Every date should be updated.
A. 温度传感器监控环境温度。
B. 温度传感器监控高温。
C. 温度计指示环境温度。
A. Hinge the towing arm up to the nose gear.
B. Hook the towing arm up to the nose gear.
C. Fix the towing arm tip to the nose gear.
A. You can use the past form of technical verbs as adjectives
B. You can use the past tense form of technical verbs as adverbs
C. You can use the past participle of technical verbs as adjectives.
A. 确保厕所组件正确冲洗。
B. 确保厕所马桶正常工作。
C. 确保厨房组件正常工作。
A. You need to use lens assembly and retainer as tooling to removed the filter.
B. Galley ventilation filters can be replaced by mechanic in the line maintenance.
C. Galley ventilation filters can not be replaced by mechanic in the line maintenance.
A. 确保区域测试没有人。
B. 确保测试区域没有人。
C. 确定任何人可以进入考试区域。
A. More sophisticated detectors provide a digital output in parts per million of carbon monoxide present or illuminate a light or an audible alarm sounds.
B. Multiple precise detectors provide a digital output to light a light or sound a warning sound in areas where carbon monoxide levels exceed limits.
C. Multiple physical detectors provide a partial digital output of carbon monoxide content per 100000 parts, either lighting up one or sounding a warning tone.
A. If the drain hole is blocked, clean it.
B. If the drain hole is leaked, clean it.
C. If the drain hole is locked, clean it.
A. 如果岀现功能,齿轮将自动脱离
B. 如果出现操作错误,轮挡将自动脱离
C. 如果出现故障,齿轮将自动脱离
