There is a change form on the next page, which is also available in electronic format on the STEMG website.

A. 当你拆下罩环时，小心不要损坏法兰组件。

B. 当你拆下冠环扇形件时，小心不要造成法兰盘损坏。

C. 拆下法兰盘时，小心不要造成冠环扇形件损坏。

A. The basis for assuring an airplane remains airworthy and safe to operate is to combine the manufacturer＇s requirements with sound inspection and maintenance practices.

B. To ensure airworthiness and safe operation of an airplane, it is essential to follow the manufacturer＇s instructions in the utilization of airplane, and perform sound inspection and maintenance practices as well.

C. Airworthiness and safe operation are fundamental to aircraft utilization as required by the manufacturer, so sound inspection and maintenance practices are carried out.

A. 通气油箱排放单向活门允许通气油箱内的燃油流到1号或2号主油箱。

B. 通气油箱排放检查活门使通气油箱内的燃油流动于1号和2号油箱之间。

C. 通气油箱排放单向活门使通气油箱内的燃油流入1号及2号主油箱。

A. Substitutes with different quality can be used.

B. You can not use substitutes with same quantity.

C. Equivalent substitutes are permitted to use.

A. 撰写《飞行员操作手册》本节内容时，制造商对飞机的描述应能够最大程度地便利目标飞行员群体了解信息，因此可以不遵循本节中的段落顺序和内容安排。

B. 《飞行员操作手册》本节应以制造商认为对最有可能操作飞机的飞行员以最有帮助的方式来描述飞机。手册应遵循本节中的段落顺序和详细信息。

C. 《飞行员操作手册》本节应以制造商认为对最有可能操作飞机的飞行员最有帮助的方式来描述飞机。手册不得遵循本节中的段落顺序和详细信息。

A. 将这些部分按概率顺序列在每个故障下面。

B. 根据可能的指令在每个问题中列出这些部分。

C. 将这些部分在潜在订单的问题中列举出来。

A. 位置计算是指系统中结合航行信息来计算飞机地理位置的部分，包括航向计算机等部件。

B. 位置计算是指系统中组合导航信息来预测飞机地理位置的部分,包括航道计算器等部件。

C. 位置计算是指系统中利用航行信息来估算飞机地理位置的部分，包括计算机基础课程等项目。

A. The gears will automatically engage if a malfunction occurs.

B. If there is proper functioning, the gears will automatically engage.

C. If there is a malfunction, the gears will automatically disengage.

A. The space equipment releases the air from the compound.

B. The vacuum equipment decreases the air from the compound.

C. The vacuum equipment removes the air from the compound.

A. Make sure that there is a different distance between the holes.

B. Make sure that you space the holes equally.

C. The holes should have long distances.