For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the ().
For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through ().
For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the ().
In which cases listed below, the class would not being suspended or withdrawn()
For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through ().