【摘要】 发动机在正常使用下，自然磨损是不可避免的，为了延长其使用寿命，在使用过程中采取相应的减缓磨损措施，避免使用不当造成的磨损，这就可以达到延长发动机寿命的目地。使用中应注意：起动要动机时注意观察机油压力和温度变化；预防寒冷低温发动机的磨损；正确选择燃油性能等。更多还原

【Abstract】 Natural wear of engine in normal operation is inevitalbe. In order to prolong engine service life,corres ponding measures for reducing wear should be adopted in operation and avoiding wear from abuse. Attention should be taken in operation,such as:to look out change of lubricating oil pressure and temperature in starting the engine,to prevent engine wear in low ternperature in advance,to correctly choice property of fuel,etc.更多还原