【摘要】 用超声波法检测钢轨夹板代替了敲击法，操作方便、直观、灵敏度高，介绍拐杖式超声波钢轨夹板探伤仪探头原理、结构、特点。更多还原

【Abstract】 The method of ultrasonic is used to test splint instead of the method of beating. It is convenient in operation, direct perception, highly sensitive. The principle, structure and characteristic for ultrasonic railway splint detector are indroduced.更多还原