Some abbreviations of parts of speech are changed to agree with standard abbreviations.

A. 拧紧这些同轴接头（用手上紧再1/8转）

B. 拧紧这些同轴接头（用手上紧少1/8转）

C. 拧紧这些同线路接头（用手上紧少1/8转）

A. 描述飞机螺旋桨时，可包括可变桨距螺旋桨的剖面图。

B. 描述飞机螺旋桨时，可包括变桨距螺旋桨的水平图。

C. 描述飞机螺旋桨时，可包括固定桨距螺旋桨的剖面图。

A. Visually check the forward engine mount to the fan frame bolts if they are correctly installed and damaged.

B. Do a visual check of the bolts which attach the forward engine mount to the fan frame for the correct installation and damage.

C. Visually check the correct installation and damage of the forward engine mount to the fan frame bolts.

A. 姿态指引仪部分包括陀螺地平仪、方向陀螺仪、磁罗盘、磁航向系统、转弯悬停仪、放大器、伺服系统和飞行指引仪等。

B. 姿态指引仪部分包括陀螺地平仪、回转方向仪、磁罗盘、磁头系统、转弯悬停仪、放大器、伺服系统和飞行指引仪等。

C. 姿态指引仪部分包括陀螺地平仪、定向陀螺仪、磁罗盘、磁航向系统、转弯倾斜仪、放大器、伺服系统和飞行指引仪等。

A. Maximum Landing Weight is maximum weight supplied for the landing contact.

B. Minimum Landing Weight is minimum weight provided for the landing touchdown.

C. Maximum Landing Weight is maximum weight approved for the landing touchdown.

A. According to the "GAMA Specification No.1", compile the Pilots Operating Handbooks.

B. Prepare Pilots Operating Handbooks through "GAMA Specification No.1".

C. Edit "GAMA Specification No.1", in accordance with Pilots Operating Handbooks.

A. 英语单词、复杂的句子结构以及多个含义和缩写词会对读者造成混淆。

B. 复杂的句子结构、多个含义和术语以及多个英语单词会对读者造成混淆。

C. 复杂的句子结构以及英语单词的多重含义和同义词会对读者造成混淆。

A. 确保束缚杆没有与安装在地板上的逃离滑梯支架啮合。

B. 确保束缚杆没有装在地板上的逃离滑梯支架上。

C. 确保束缚杆没有与在地板上的逃离滑梯支架对齐。

A. Emergency Lighting is a independent subsystem used to provide illumination in case of primary electrical power failure.

B. Urgency Lights that supply the lights when the major electronic power fails is a separate subsystem.

C. Ambulance Lights is used to supply lights if the main electrical sources malfunctions as an independent subsystem.

A. Clear the pipes in order to remove corrosion.

B. Wash the pipes so as to remove dust.

C. Flush the pipes to remove contamination.