SAIC company marked the introduction of American GI's online eddy current instrument, such as sorting.
上汽标公司引进美国G.I公司的在线涡流分选仪等。
The operation principle, design and development of two-frequency eddy current transducer, as well as its connection with EEC-35 full-digital multi-frequency eddy current instrument are described.
介绍双频涡流检测传感器(检测线圈)的工作原理、设计和制作，以及与EEC - 35型智能全数字式多频涡流检测仪的联机调试。
A four frequency eddy current inspection instrument was developed based on theoretical analysis and simulative tests.
在理论分析和大量模拟试验基础上研制了四频涡流检测仪。
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