极长的换油周期，使用寿命是矿物油的6~8倍。
Extremely long oil cycle, service life is 6 ~ 8 times mineral oil.
快速硬模制造技术因其制造周期短、成本低、精度高及寿命长等特点，在当前汽车产品个性化浪潮中越来越具有优势。
Rapid hard tooling has more and more advantage during the individuation wave of the auto production for its short cycle, low cost, high quality and long life.
同时文中也对脱盐器循环寿命进行了测试，结果表明：这种新型脱盐器脱盐效率高、循环周期长。
Test of circle life indicates that the described desalinator not only has effective desalination but also a long cycle period.
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