A smaller damage is permitted without repair.

A. 技术文本通常包含很长的词组，在句子中具有一种词性的作用。

B. 技术文本通常包含很多组单词，这些单词在句子中具有一定的作用。

C. 技术文本通常包含长难句，其中的单词在句子中的作用相当于某个词性。

A. 为了简化阅读和相互援引，插图、图形和表格应尽可能以纵向排列布局呈现。

B. 为方便阅读和相互参照，如可行，插图、图形和表格应垂直排列布局。

C. 为了精简阅读和交叉索引，插图、图标和表格如可行，应纵向排列布局。

A. It is necessary to add fluid to the hydraulic reservoir.

B. Drain fluid to the hydraulic reservoir as necessary.

C. Add fluid to the hydraulic reservoir as necessary.

A. Rivets can be used to separate the two stringers.

B. You can use two rivets to attach the stringers together.

C. Use rivets to connect the two stringers together.

A. 当用一个词代替另一个词不够充分时，使用另一种结构来书写句子。

B. 使用词对词的更换同时更换句式。

C. 不但要更换单词还要使用另一种结构。

A. The form of the climb performance presentation is decided by the airplane manufacturer.

B. The format of the cruise performance presentation is at the discretion of the airplane manufacturer.

C. The form of the cruise performance presentation is at the discretion of the airplane manufacturer.

A. Each section shall be started on a right-hand page.

B. Each section shall be stated on a left-hand page.

C. Each section shall be proceeded from a right-hand column.

A. The filter must be replaced before putting new oil in the system.

B. The replacement of the filter is optional before refueling the system.

C. The filter can not be replaced unless you put new oil in the system.

A. 本部分必须确定每个（部件的）指导更换时间，结构检查间隔以及型号合格证要求的相关结构检查程序。

B. 本部分必须确定每个强制的型号合格证要求的（部件）更换时间、结构检查间隔以及结构检查对应的检查程序。

C. 本部分必须明确型号合格证要求的每个（部件的）强制更换时间，结构检查间隔以及相应的结构检查程序。

A. Make sure the probe cover is in good working condition with no evidence of damage.

B. Make sure the probe plug is in good condition and there is no signal of damage.

C. The probe lid is insured to be in ideal condition and out of damage.