On engine cases, installation base can be simplified by a mechanics model, which is case shell with hole and a complex of enclosing wall and reinforcing plate for increase strength.
发动机机匣上安装凸台结构，可简化为机匣壳体开孔后用围壁和加强板组合补强的力学模型。
2
Remove the transport seat pads when the engine is shifted on the enginebase, install the line plate baseboard, and place the screw jacks according to the installation position.