如果故障频繁发生，则进行系统测试。

A. When some new kind of situation occurs, the operator should communicate openly with the manufacturer. The manufacturer should supply the operator solid assistance.

B. When the new situation gets worse, it should build the open communication between the operator and manufacturer. The operator claims the situation to get the feedback from the manufacturer.

C. When something new happens, open interconnection should exist between the manufacturer and the operator. The operator should report to the manufacturer to obtain effective discount.

A. 文本可以有一或两栏，带有或不带有理由。警告、注意和注释可用于突出或强调重点。

B. 带有理由或不带有理由的文本可以准备成为一栏或两栏。警告、注意和备注可用于标示出或强调重点。

C. 文本可以按照是否有理由来编写成一栏或两栏。警告、注意和注释可以用来突出或强调要点。

A. The reserved 45 minutes for use in aircraft cruising power shall be calculated. Chart should provide information of the calculation method for the reserve.

B. To reserve 45 minutes for the flight at cruising power is calculated. The calculation method of reserves should provide additional diagrams and related instructions.

C. Reserve shall be computed as 45 minutes at the cruise power to be used for the flight. The explanation information presented with the chart should explain how the reserve was computed.

A. 打磨两条线之间的孔洞区域。

B. 在两条线的交点上钻一个孔。

C. 通过孔洞排空两条管路。

A. 将车辆拉至规定的安全区域。

B. 将车辆拉至特定的、可以使用程序的区域。

C. 将车辆拉至可以使用标准程序的安全区域。

A. 拧松气阀螺母一两圈，慢慢释放气压。通过反转减震支柱或拆除单向活门排放液压油。

B. 拧松气阀螺母一两圈释放气压。排放减震柱液压油可以通过拆除单向活门进行。

C. 拧松气阀螺母一两圈缓慢释放液压。液力油排放从减震柱或单向活门处进行。

A. 调整测试描述应该提供指导来完成测试或检查，来保证整个操作组件的系统、子系统或组件装配。

B. 为确保整合系统、子系统和单元组装件的运行，调整测试的说明应该提供指示来完成测试或检查。

C. 调整测试说明应提供完成测试或检查的指示，以确保作为系统、子系统或单元组装件的操作性组件的完整性。

A. Documents must be temporarily edible.

B. Documents must be readily revisable.

C. Documents must be permanently durable.

A. The engine and all additional facilities use indifferent lubricants.

B. The engine uses multiple types of lubricants for different purposes.

C. The engine and all auxiliary equipment use the same lubricant.

A. 图2是受损织物的修复过程示例。

B. 图2举出了两个受损网络的修复过程。

C. 图2是损坏网页的修复程序示例。