求翻译：接触器都有自己的电寿命，在生产中预测出接触器的电寿命能够为工厂减少很大的损失，因此对接触器的电寿命进行预测研究具有重要的意义。是什么意思？

The contactor has its own electrical life of the electrical life of the contactor to the factory to reduce the great losses, so to predict the electrical life of the contactor is of great significance in the production forecast.

Contactors have their own power in life, and in the production of electrical contactor predict the life expectancy for the factory to be able to reduce a large loss, the power of the life of the contactor in the Forecast research is of great importance.

The contact device all has own electricity life, forecast in the production the contact device the electricity life can reduce the very big loss for the factory, therefore conducts the forecast research to the contact device electricity life to have the vital significance.

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