crank-case oils 又称曲轴箱油
By comparison, she says when oils are prepared by the cold-press or expeller process, or, in the case of olive oil, are extra virgin, preparation involves only pressing, heating, and bottling.
她说，经过比较，如果油只经过冷压或排除器处理(对橄榄油来说是加纯处理)，这些程序只涉及加压、加热和灌装。
A blend of the both oils can be in some case a good balance between efficacy and safety.
就某种情况来说，两者的混合油可以在功效性和安全性上起到很好的调和作用。
Grape Seed oil - Grapes can also be made into oils, in this case, vegetable oil.
葡萄籽油：葡萄籽可加工成油，这种情况下制成的油是植物油。
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