通过对接触器通断过程的智能操作，可以减少触头的电弧侵蚀，并提高接触器的电气寿命。
By the use of intelligent operation in make and break process of ac contactors, the contacts erosion will be reduced, which lengthens causes the electrical durability of the contactor.
通过对接触器通断过程的智能操作，可以减少触头的电弧侵蚀，并提高接触器的电气寿命。
By the use of intelligent operation in make and break process of ac contactors, the contacts erosion will be reduced, which lengthens causes the electrical durability of the contactor.
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