英语翻译Diesel and petrol engines have the same mechanical parts

英语翻译Diesel and petrol engines have the same mechanical parts ,except that diesel components are generally stronger and heavier .both engines are internal combustion engines ,but they have intake stroke .A petrol engine takes in an air-fuel mixture .Following are some general comparisons between diesel and petrol engines:In a diesel ,the fuel is injected into the cylinder as a fine spray near the top of the compression stroke .With a petrol engine ,the fuel is injected into the intake ports at the start of the induction stroke.Ignition in a diesel is by the high temperature from the highly compressed air .A petrol engine needs a spark for ignition .Diesel engines generally operate at lower engine rpm than petrol engines .Diesel engines use distillate for fuel ,which is less volatile than petrol .The design of diesel engines makes them noisier than petrol engines and they have a uniqueDiesel knock .Small diesel engines ,as petrol engines ,are used in passenger cars and light commercial vehicles .Larger diesel engines are used in all heavy commercial vehicles ,earthmoving equipment ,and farm machinery .用翻译软件的都不怎么顺畅,麻烦高手帮翻译,急用!