A、 Do not lift the aircraft on jacks if the wind speed is more than 20 MPH.
B、 Do not hoist the aircraft on chocks if the wind speed is more than 20 MPH.
C、 Do not raise the aircraft on jacks if the wind speed is more than 20 km/h.
答案：A
A、 Do not lift the aircraft on jacks if the wind speed is more than 20 MPH.
B、 Do not hoist the aircraft on chocks if the wind speed is more than 20 MPH.
C、 Do not raise the aircraft on jacks if the wind speed is more than 20 km/h.
答案：A
A. 将气缸提升至上方位置后进行安装。
B. 将气缸的安装位置提升到上方。
C. 将气缸提升至其安装位置的上方。
A. 在需要折叠的页面上，折叠时不允许页码可见。
B. 在需要折叠的页面上，以允许页码可见的方式折叠。
C. 在需要折叠的页面上，以这样的态度来折叠，并保证页码可变。
A. 应有图标来显示起落架锁、舵面锁、堵头堵盖、系留点等的位置。
B. 应有图标来显示起落架锁、舵面锁、堵头和蒙布、系留点等的位置。
C. 应有图标来显示起落架锁和舵面锁，堵头堵盖，系留点位置等信息。
A. The fuselage is a semi-monocoque structure.
B. The fuselage is a demi-plate.
C. The airframe is of half-shell structure.
A. 《飞行员操作手册》是FAR第23部规章的审定要求，通勤类飞机除外。
B. 《飞行员操作手册》对有FAR第23部规章审定基础的飞机是恰当的，通勤类除外。
C. 《飞行员操作手册》适用于通过FAR第23部规章审定的飞机，但通勤类飞机除外。
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. “飞机性能”中的每一项均应对与数据相关的重要条件进行说明。
B. 每一项飞机性能都包含对重要条件和数据的说明。
C. “飞机性能”中的每一条目均应对数据及其重要条件之间的关联性进行说明。
A. The aim of STE is that readers all over the world can easily understand the technical texts and that writers who are responsible for preparing technical texts know how to prepare them in a easy method.
B. The objective of STE is to provide writers with general principles on how to prepare technical documents in a clear, simple and distinct manner that readers all over the world can easily understand.
C. The function of STE is to describe how to prepare technical texts in a easy, clear and specific way and to allow readers all over the world to understand difficultly.
A. 使用符号代表电磁活门，显示该活门是否是弹簧加载到开位或关位。
B. 应针对电磁活门标明注意事项，说明该活门应该弹簧加载到开位还是关位。
C. 电磁活门应标有符号，表明该活门是弹簧加载到开位还是关位。
A. 涡轮能够从排气中提取能量并连接到曲轴。
B. 涡轮机释放出废气能量，并连接到曲轴。
C. 涡轮机从排出的气体中提取能量，并用它驱动曲轴。
