The land will be wsed to build a factory.

这片土地将用于盖一座工厂。

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Under the condition of laboratory, the self - control separation vessal and slurry reagent was wsed to carry out the experiment of oil and sand separation.

在实验室条件下，使用自制分离器及浆化剂进行油砂分离试验，并通入空气来提高油砂分离效果。

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