许堡村的刘三林靠养小四轮拖拉机富起来了，每年收入1万多元。他养车没什么秘诀，就是重安全、勤保养，开车8年了，从未出过事故.同村的王二虎也养着一台小四轮拖拉机。争强好胜的他对家里人说：“三林有什么了不起，你看他开车上路四平八稳，不敢开快车，一副’拖拉’像。你们看 Xu Sanbao Liu Sanlin rely on raising a small four-wheel tractor rich, and annual income of more than 10,000 yuan. He has no secret to keep a car, that is, heavy safety, diligent maintenance, driving for 8 years, has never been an accident.Wang Erhu with the village also has a small four-wheel tractor. Vigorous and victorious, he said to his family, ”What is remarkable for Sanlin? You see, he drives on a smooth road, does not dare to drive fast, and is like a drag