Bear chemistry: bear detergent and weak melting agent, such as petroleum melting agent oil.

耐化学性：耐清洁剂及弱溶剂，如石油溶剂油。

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The free falling film process has extensive applications in many fields especially such as petroleum and chemical industrial processes.

自由降膜过程在许多工业领域，特别是在石油化工工业中有着非常广泛的应用。

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Global warming results from the burning of fossil fuels, such as petroleum products, resulting in the release of greenhouse gasses into the atmosphere.

全球变暖的原因是燃烧石油等矿物燃料引起的，因为这会释放出温室气体进入大气。

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One reason why size matters is the mining industry's small size relative to other comparable industries, such as petroleum.

ECONOMIST: Mining

Many of the world's biggest private oil firms, such as British Petroleum and America's Mobil, rely heavily on large but maturing fields, and are desperate to replenish their reserves.

ECONOMIST: The oil industry

It handles concessions for 45 professional sports teams in the U.S. And it makes deliveries--to offshore drilling rigs in the North Sea and the Gulf of Mexico for such clients as British Petroleum.

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