1349. These numbers and their sequence may be selected by the manufacturer to fit the coverage requirements of his publication

A. 流动液压是很危险的。

B. 液压油对皮肤有害。

C. 危险的液压油影响皮肤。

A. If the part is broken, replace it.

B. If the part is unserviceable, replace it.

C. If the part condition is poor replace the.

A. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.

B. Water displacing corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.

C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.

A. 对于简单的文本使用水平列表。

B. 对于复杂的文本使用水平列表。

C. 对于复杂的文本使用垂直列表。

A. This tool is mandatory.

B. This tool is optional.

C. This tool is necessary.

A. 冲击载荷会导致发动机发生冲击损伤。

B. 重着陆会导致发动机发生冲击载荷。

C. 飞机载重过太会导致发动机着陆时受到冲击。

A. Remove paint from the entire length of the tube with a grade 400 emery cloth in a circumferential direction of the damaged area.

B. Circulate the damaged area of the pipe with a 400-grade emery cloth long enough to remove the paint.

C. Remove the paint with grade 400 emery cloth from the full circumference of the tube along a sufficient length around the damage area.

A. 用脱脂剂清除滑油和油脂;

B. 用清洗剂清除滑油和油脂;

C. 用脱脂剂清除多余的滑油和油脂;

A. 运营人应建立开放的沟通渠道,并在新问题出现时告知制造商,要求制造商作出回应并为其提供切实帮助。

B. 运营人应在出现新问题时告知制造商建立开放的沟通渠道,制造商也应该及时作出回应并向运营人提供切实帮助。

C. 应建立开放的沟通渠道,使运营人能够在出现新问题时及时告知制造商,而制造商能够作出回应,为运营人提供切实帮助。

A. 通过验证离散输入的状态以获得详细的故障隔离程序。

B. 通过检查离散输入的状态以获得详细的故障测试程序。

C. 通过验证离散输入的状态以获得详细的错误测试程序。