3050.确保零件或表面层干燥且无污染。

A. 确保皮托管温度增加至 500 摄氏度以上。

B. 确保机外环境温度增加 500 摄氏度。

C. 确保探头温度增加至 500 摄氏度以上。

A. If the aircraft is parked on the ground,make sure that wheel chocks are placed.

B. If the aircraft is parked on the ground,make sure that wheel chocks are in position.

C. If the aircraft is parked on a slope,make sure that wheel chocks are in position.

A. All tabulations shall own a title in order.

B. All tables shall bear a title with a number.

C. All figures shall have a title with a number.

A. Make sure that the cabin differential pressure is zero before you unlock the door.

B. Be sure that the variance of the cabin pressure is zero before you open the door.

C. Make certain that the difference of the compartment compression is zero before you open the door.

A. 该符号指该章节的全部或大部分规则。

B. 该索引指本部分的全部大部分规则。

C. 该内容包括那个部门的全部或大部分规则。

A. 如有必要进一步减小钢索张力,可使用松紧螺套。

B. 如有必要进一步降低钢索张力,可使用张力计。

C. 如有必要进一步调节钢索长度,可使用旋转带子。

A. When the movement of input rod is ranged from 5 to 10 mm,measure the piston retraction.

B. When the input lever is between 5 and 10 mm,measure the piston extension.

C. When the interval of input shaft changes between 5 and 10 mm,measure the expansion of the piston.

A. The toxic conditions are given in Paragraph 2.0.

B. All the test result are given in Paragraph 2.0.

C. All the test conditions are given in Paragraph 2.0.

A. Ensure the repair plug fits.

B. Ensure the fix plug fits.

C. Ensure the repair rivets fits.

A. The exhaust from the Auxiliary Power Unit is dangerous.

B. The exhaust from the nozzle unit is dangerous.

C. The exhaust from the Auxiliary Power Unit inlet is dangerous.