两个舵轴承螺栓固定在机身尾部的舵机身。
Two rudder bearings bolt to the rear fuselage to fix the rudder to the fuselage.
发动机安装了在机身尾部，而不是在机翼下面。
The engines are mounted at the back of the fuselage, rather than under the wings.
APU发动机安装于机身尾部、压力隔板后面及水平安定面下方。
The APU engine is located in the aft end of the fuselage, behind the pressure bulkhead and below the horizontal stabilizer.
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