在多缸四冲程发动机的使用和修理过程中,经常碰到已知一个缸的工作过程,需要马上判断其它各缸所处的工作过程的问题。我县工人同志们在实际中常常应用这样的方法,此法简单、准确又易于掌握,现介绍如下: 一、在四冲程发动机工作过程中,四个冲程循环的顺序是吸一压一工一排。完成一个循环靠发动机曲轴转两圈(720°)来 In the process of using and repairing a multi-cylinder four-stroke engine, it often encounters the known working process of a cylinder and immediately needs to judge the work process of other cylinders. My county workers comrades in practice often use this method, this method is simple, accurate and easy to grasp, are presented below: First, the four-stroke engine in the work process, the four stroke cycle order is to absorb a pressure row. Complete a cycle by the engine crankshaft turn two times (720 °)