The estimated service life of this battery in diesel locomotive was about twice as long as that of its original battery, and it was maintain-free.
性能测试表明起动性能良好，在机车上的使用寿命预期比原有电池提高一倍左右，且无需维护。
The estimated service life of this battery in diesel locomotive was about twice as long as that of its original battery, and it was maintain-free.
性能测试表明起动性能良好，在机车上的使用寿命预期比原有电池提高一倍左右，且无需维护。
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