Wells, plant oil barrel, the cabin at the end of the sewage waste oil treatment.
油井，工厂油筒，船舱底污水污油处理。
The electric air floatation is a new oil-containing waste water treatment technology.
电气浮处理技术是一种新型的油田污水处理工艺。
The electric air floatation is a new oil-containing waste water treatment technology.
电气浮处理技术是一种新型的油田污水处理工艺。
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