

Phân biệt hai từ refine và filtration
Ngữ cảnh
1 refine The various petroleum products are refined from the crude oil by heating and condensing the vapors.
2 filtration The various petroleum products are produced by filtration.
Ngữ cảnh
1 refine The various petroleum products are refined from the crude oil by heating and condensing the vapors.
2 filtration The various petroleum products are produced by filtration.