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往往在用高压螺栓拆卸困难甚至无法拆卸,要强行拆卸容易损伤螺栓,采用磁粉检测存在一定的局限性。
Often difficult to use high-pressure bolt disassembly or even can not be disassembled, to force disassembly easy to damage the bolt, the use of magnetic particle testing there are some limitations.