The body screw back into place, gently open the little front-end ball valve, using compressed air to the drainage system of impurities, water, oil draining;

将阀体拧回原位，前端球阀轻轻打开一点，用压缩空气将排水系统内的杂质、水油排空；

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The location of the filling device should assure that the oiling operation is safe and reliable, and the technical parameters of draining device should assure the oil draining effect.

注油装置的设置方位须保证注油操作的安全、可靠，排油装置的技术参数须确保排油的效果。

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In most cases, extracting oil involves chopping down the forest that blankets the region, draining the boggy ground, stripping off the topsoil and literally digging up the oily sand below.

在大多数情况下，要从油沙中提炼出石油需要先把覆盖该地区的森林砍掉，排干地面的水分，去掉表层土然后当然就是把地下的油沙挖出来。

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Last year a Dutch study found that draining Indonesian swamps to make way for oil-palm plantations resulted in 33 tonnes of carbon dioxide emissions for each tonne of palm oil produced, by speeding up the decomposition of the peaty soil.

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The U.S. and EU have implemented progressively tougher economic sanctions on Iran in recent months, including an embargo on Tehran's oil exports, which Washington and Brussels believe are increasingly draining the government's finances.

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Alabama argued that Exxon Mobil owed the state royalties on the gross made from 13 natural gas wells that Exxon started draining in 1993, well before it merged with Mobil Oil.

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