The oil bowl contains both water and oil, which appear as clearly separated substances only for a few days and as the show progresses we see that the water gets contaminated by the oil.
水和油同置于“油”碗里，并呈现出分明的两层。但是随着展出时间的变长，我们不难发现水被上层的油浸染。
Major causes for pollution from daily operation of oil depots are analyzed. Pollution source includes evaporation and leak of oils and discharge of contaminated water.
介绍了石油库在日常作业过程中对环境带来污染的主要原因，污染源为油品蒸发、油品泄漏和油库污水。
Major causes for pollution from daily operation of oil depots are analyzed. Pollution source includes evaporation and leak of oils and discharge of contaminated water.
介绍了石油库在日常作业过程中对环境带来污染的主要原因，污染源为油品蒸发、油品泄漏和油库污水。
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