A、 供气系统被多个子系统共用，能够为水箱加压以确保流体的流动。
B、 空气供应系统是某一个子系统独用的部分，其作用是为供应罐加压以确保流体流动。
C、 空气供应系统是多个子系统共用的部分，其作用是为供应罐减压以延缓流体流动。
答案：A
A、 供气系统被多个子系统共用，能够为水箱加压以确保流体的流动。
B、 空气供应系统是某一个子系统独用的部分，其作用是为供应罐加压以确保流体流动。
C、 空气供应系统是多个子系统共用的部分，其作用是为供应罐减压以延缓流体流动。
答案：A
A. Correct punctuation is important because it shows that the different parts of the text are reconnected and prevents miscomprehension.
B. Correct punctuation is important because it shows how the different parts of the text are independent and prevents accumulation.
C. Correct punctuation is important because it shows how the different parts of the text are related and prevents ambiguity.
A. 确保蒙皮未受损伤。
B. 确保皮肤未被侵蚀。
C. 确保蒙皮未划伤。
A. Proper recipe shall be adopted to measure the pressure.
B. The pressure shall be estimated by using accurate equation.
C. Calculate the pressure with the applicable formula.
A. Exterior Placards and Markings are required for ground servicing instructions, inspections, cautions, warnings.
B. Exterior Labels and Markings are required for ground servicing instructions, inspections, cautions, warnings.
C. Exterior Placards and Markings are required for ground servicing instructions, inspections, warnings, cautions.
A. Keep all the parts that are serviceable and discard those that are broken.
B. Retain the parts that are functional and discard those that are of poor condition.
C. Keep all the parts that are operational and drop those that are contaminated.
A. “修理/改装”用于描述修理或改装说明，也可指向其他文件中的标准修理或其他地方定义的特殊修理或改装，如在服务包、服务通告等中。
B. “修理/改装”用于描述修理或改装指令，也可指向其他文件中的标准修理或其他文件（如服务包或服务通告等）中界定的特殊修理或改装。
C. “修理/改装”用于描述维修或改装说明，可能指另一份文件中的标准维修或其他地方定义的特殊维修或改装，如维修包、维修公告等。
A. 删除了注释及其相关示例。
B. 注释和相关示例做了保留。
C. 删除了注释和列举了的示例。
A. A reprint is a second or executive version of a manual that replaces a previous version.
B. A reprint is a succeeding or pursuant version of a manual that supersedes the former version.
C. A reissue is a second or subsequent edition of a manual which supersedes the preceding edition.
A. The Index Numbering System is described in the following paragraph.
B. The Index Numbering System is introduced in the next paragraph.
C. The Index Numbering System is compared in the later paragraph.
A. Sometimes you have to change long sentences to shorter ones, remove unnecessary information, or ask an engineer to get further explanation.
B. Some time you have to incorporate long sentences into shorter ones, decrease unnecessary information, or require an engineer for further instruction.
C. Sometime you must illuminate long sentences into shorter ones, ignore information which is not necessary, or order an engineer for further definition.
