All the products are under one-year warranty and life maintenance.

公司所有产品均实行一年保修，终身维护。

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Selenium is a necessary microelement in the body which plays an important role in body growth and life maintenance.

硒是人体必需的微量元素，对人体的生长发育与维持人的生命活动发挥着重要的作用。

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Life maintenance therapy is a controversial issue in both fields of medicine and philosophy which encounters a great many ethical problems.

生命维持治疗是医学界和哲学界争议颇多的话题。

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First, this can considerably extend vehicle life and reduce maintenance costs, offering a major long-term profitability incentive for trucking operators to accept large upfront LNG vehicle premiums.

FORBES: Tough Trucking For Natural Gas Vehicles: Can They Make It In The Long Haul?

Runoff is the source for all human diversions or withdrawals for irrigation, industry, municipal uses, navigation, dilution, hydropower, and maintenance of aquatic life including fisheries.

FORBES: Is Water A Better Investment Than Oil?

And that's assuming these new technologies won't have higher maintenance costs over the life of the car itself.

FORBES: Bigger, Faster And, Yeah, They Burn More Gas