中职汽车专业英语22HowEngineWorks解答.ppt

; The Vehicle Professional English;To enjoy these pictures(before enjoy to think about how vehicle to move);To enjoy these pictures;To enjoy these pictures;To enjoy these pictures;To enjoy these pictures;intake;Task 3 lead in ;review the words;1、How can vehicles move? ;1、How can vehicles move?;2、What are the four –stroke of the cylinder?;3、How do the four-strokes works of the engine’s? ;How is the furl-air mixture drawn into the cylinder? How to cosider the piston travle a four-strokes process?; Translate the following sentences tnto Chinese;2、The combustion process pushes pistion down the cylinder with great force turning the crankshaft to provide the power to propel the vehicle;3、By the time the crankshaft completes two revolutions, each cylinder in the engine will have gone through one power stroke.; Translate the following sentences tnto Chinese; Translate the following expressions into English;Task 8;Task 4: 观看; task 10;Task 11: summry;Homework;Thanks for attending!