美国加利福尼亚州克尔沃特工程师约翰科斯蒂奥，最近研制成功一种车身探腐器，用于检测查验汽车车身，效果颇佳，深得广大汽李买主的欢迎。这种探腐器，设计非常简单，主件是一个系在弹簧上的高能头，弹簧另一端安装有一个顶盖，检测查验车辆时，可将磁头一端置放在车县的任何 John Cooper, a Kervat engineer in California, USA, recently developed a body finder that tests and verifies the bodywork of a car. The detector design is very simple, the main piece is a high-energy spring on the head, the other end of the spring is mounted with a cover, the test vehicle inspection, the head can be placed in any one of Chexian