The process for preparation of this special purpose material was simple and easy to control.

该专用料加工工艺简单，便于操作控制。

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With the exception of heavy copper, the best all-purpose material, in our opinion, is heavy, enameled cast iron.

除了厚实的铜锅之外，我们觉得最棒的万能材料是厚实的搪瓷铸铁。

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The paper introduced production of BOPP film and its special purpose material in China. And some advice was given too.

介绍了固内BOPP薄膜和专用料的生产情况，并提出了建议。

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Police have not said what the purpose of the material was.

BBC: Radioactive canister stolen from van in Lancashire

Cement forms an extremely strong, effectively impermeable, seal from a thin slurry that can be pumped pretty easily anywhere, and is the ideal material for this purpose ( Cementing).

FORBES: The Fracking Solution Is A Good Cement Job

The plaintiff, Abdullah Al-Kidd, alleges that prosecutors never had any intention of calling him as a witness and submitted a false affidavit for the purpose of persuading a federal magistrate to issue a material witness warrant.

FORBES: Terror-Related Case Has Supreme Court Poised To Revisit Pleading Standards Controversy