【摘要】 阐述了超声检测技术于在役输油管道检测中的应用;提出了一种新型结构的在役管道检测爬机;对该结构爬机的一些关键技术进行了论述。更多还原

【Abstract】 In this paper the application of ultrasonic inspecting on operating oil pipeline was discussed and a new type of pig was raised.Then,the main technologies about the pig was expounded in the paper更多还原