527. Show the date of the revision on each revised page

A. Check the tires at regular period;

B. Check and replace tires at regular intervals;

C. Schedule the inflation of the tires at regular intervals;

A. 在极端天气和低环境温度下,正确测试襟翼和缝翼系统可能是非常困难的。

B. 在极端天气和低环境温度下,正确润滑襟翼和缝翼系统可能是非常困难的。

C. 在潮湿天气和低环境温度下,正确测试襟翼和缝翼系统可能是非常困难的。

A. 那些组件和部件存储、调节并向旅客和机组输送氧气,包括气瓶、释压活门、关断活门、出口、调节器、面罩等。

B. 气瓶、释压活门、关断活门、出口、调节器、面罩等组件和部件储存氧气,并将调节后的氧气提供给乘客和机组。

C. 那些旅客和机组氧气系统的相关组件和部件存储、调节、输送氧气,包括气瓶、释压活门、关断活门、出口、调节器、面罩等。

A. Engine fairing, including access cover, fairing and stiffeners.

B. The exterior covering of the nacelle. Including access covers, cowling and doublers.

C. External covering of engine nacelle, including service cover, fairing and fixtures.

A. 注意:当你取出探头时,不要让它们相互接触

B. 警告:取出探头时,不要让它们相互接触

C. 注意:当你取出指针时,不要让它们相互接触

A. Be ready to use the tube for the leak test.

B. Prepare the tube for the leak test.

C. Prepare for the leak test on the tube.

A. 如果你在英语字典里找不到想用的词,在STE字典中搜索这个词直到找到最好的同义词

B. 如果你在词典里找不到想用的词在英语字典中搜索这个词从而找到最优的近义词。

C. 如果你想用的词不在字典里在英语字典中搜索这个词找到STE字典中列出的最优的同义词。

A. Place mode select switch in REFUEL position.

B. Push mode switch in ON position.

C. Place joggle switch to REFUEL on position.

A. The tune time for a frequency not in memory is 2 to 4 seconds typical, 7 seconds maximum.

B. The adjust time for a frequency not in memory is 2 to 4 seconds typical, 7 seconds maximum.

C. The tune time for a frequency not in memory is 2 to 4 seconds common, 7 seconds maximum.

A. Make sure that the fuel quantity from the wing tanks to the center tank is the same.

B. Make sure that fuel from the wing tanks flows at the same rate into the center tank.

C. Make sure that the fuel flow supplied to the wing tanks and the center tank is at the same rate.