The environment-friendly thixotropic antirust oil is composed of base oil and barium-free antirusting agent.

这种环保触变性防锈油，由基础油和无钡防锈剂组成。

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The company of course plans to grow its user base, including free and paid customers.

当然了，公司将会扩展免费和付费用户的数量。

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Last November, Google launched "Google Base", a free service that allows users to upload anything-including classifieds-free of charge.

去年十一月，Google推出了“Google Base”，一项免费服务，允许用户上传任何东西，包括分类广告。

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People in other cities facing wildfires (or any type of emergency) can reuse Trencheny's code base, for free, to spin off their own iteration.

CNN: New app tracks Colorado wildfires

Most colleges base theirs on the Free Application for Federal Student Aid, or Fafsa.

FORBES: Paying for College: How the Financial Aid Formulas Work

Yet Mr. Hurwitz's relationship with his devoted fan base is not anxiety free.

WSJ: Latest 'Development' | Arrested Development | Mitchell Hurwitz | Cultural Conversation by David Mermelstein