If you cannot remove a bolt because of corrosion, apply penetrating oil.

A. Record the results if the frequency changes.

B. Alter the phase and record the results.

C. Change the frequency and record the results.

A. 从油箱排出约2升滑油。

B. 从油箱排出约2升液压油。

C. 从油箱排出约2升燃油。

A. Make sure that the material and dimensions of the new floor panel are the same with the removed one.

B. Make sure that contour and design of the new floor panel have no difference with the removed one.

C. Make sure that the new floor panel has the same contour and dimensions as the removed floor panel.

A. Warnings, cautions and notes may be used to highlight or repeat important points.

B. Warnings, cautions and notes may be used to highlight or emphasis important points.

C. Warnings, cautions and notes may be used to highlight or emphasize important points.

A. Release the hydraulic pressure in the accumulator.

B. Release the power pressure in the accumulator.

C. Release the hydraulic pressure in the actuator.

A. Make sure that there is supplied airflow in the work area.

B. Make sure that there is sufficient airflow in the work area.

C. Make sure that there is efficient airflow in the work area.

A. 推荐的燃料节约程序应包含一个告诫，如果适用的话，制造商推荐的功率设置必须在磨合期内使用。在新的和新大修的发动机的磨合期必须使用制造商推荐的功率设置。在这期间使用经济的动力设置可能会对发动机的寿命造成损害。

B. 如适用，推荐的节油程序应包括相应的告诫，提醒在全新的和刚大修过的发动机磨合期内必须使用制造商推荐的功率。此段时间使用经济功率可能会损害发动机寿命。

C. 建议的燃油节约程序应包含一个警告（如适用），即在新发动机和新大修发动机的试车期内必须使用制造商建议的功率设置。在此期间使用经济型功率设置可能会对发动机寿命造成不利影响。

A. Install two mats, each 3.5 mm thick.

B. Install two spacers, each 3.5 mm thick.

C. Install two rings, each 3.5 mm thick.

A. 除了FAR第36部分要求的信息外，制造商还应提供措辞强硬的建议，供运营商使用，以尽量减少飞机在机场或机场附近运行期间的噪音影响。

B. 除FAR 36部所要求的信息外，制造商还应提供措辞强硬的建议，营运人应尽量减少飞机在机场或机场附近运行时的噪音影响。

C. 除FAR36部所要求的信息外，制造商还应明确建议运营人尽量减少飞机在机场或机场附近运行时的噪声影响。

A. 保证表盘上的示数符合坦克的特性。

B. 确保面板上的显示符合罐内的性质。

C. 确保仪表上的指示与油箱内的油量一致。