用动态接触电阻测量系统进行了电磁继电器失效检测试验，监测了其触点闭合过程的接触压降。
The contacts voltage of counterpart contacts in the close course of electromagnetic relay is observed and recorded in its failure tests using dynamic contact resistance measurement system.
用动态接触电阻测量系统进行了电磁继电器失效检测试验，检测了其触点闭合过程的接触压降。
The contact voltage-drop of counterpart contacts in the closing course of electromagnetism relay is observed and recorded in its failure test using dynamic contact resistance measurement system.
试验结果表明，三种试验均造成了试验后期欧姆接触电阻增大，最后导致欧姆接触失效。
It has been shown that all three tests have caused the ohmic contact resistance to increase at the end of the tests, which leads to the failure of the contact.
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