目视检查将前发动机安装座连接到风扇框架的螺栓是否正确安装以及是否有损坏
A.Visually check the forward engine mount to the fan frame bolts if they are correctly installed and damaged. B.Do 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.正确答案B
