RECIPROCATING INTERNAL COMBUSTION ENGINES. DESIGNATION OF THE DIRECTION OF ROTATION AND OF CYLINDERS AND VALVES IN CYLINDER HEADS, AND DEFINITION OF RIGHT-HAND AND LEFT-HAND IN-LINE ENGINES AND LOCATION ON AN ENGINE.
往复式内燃机 气缸和气缸盖中阀门的旋转方向和名称 以及右侧和左侧直列发动机的定义和发动机上的位置