从而完成真空滤油机迅速除去油中杂质、水份、气体的全过程，使洁净的油从出口处排出机外。
Accomplish a vacuum thereby filtering oil machine prompt eliminate oil middle foreign substance, water share, the entire proceeding of gas, besides making clean oil discharge machine from exit.
雨水使空气变得洁净，青草发出清新芬芳的气味。
The rain cleared the air, and the grass smelt fresh and sweet.
我们也采取了重要措施使美国的水域恢复洁净。
We’ve also taken major steps to revitalize America’s waters.
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