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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Oil just got mixed with draining water.

石油与排水混合起来。

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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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