COMPUTERIZED ON-LINE AUTOMATIC ULTRASOUNIC DETECTING SYSTEM AND TECHNIQUE（PART Ⅰ）

Thanks to the use of the computer technology to the on-line auto NDT system, performance of the system has been tremendously improved.Mainly described in the paper are such aspects of the computerized auto on-line ultrasounic detecting system as technical performance, structure, functions and application features.The paper is aimed at promoting application and development of the said advanced detecting system in the country.