Switzerland has rich theory and practices on this problem.
瑞士对于此问题已经有了丰富的理论和实践。
Theory and practices of multiple protection for large and middle capacity asynchronous motors;
介绍了微机式高压异步电动机综合保护的原理及其装置的设计方法。
Theory and practices of multiple protection for large and middle capacity asynchronous motors;
介绍了微机式高压异步电动机综合保护的原理及其装置的设计方法。
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