the low viscosity index and the higher acidity were resulted from the low paraffinicity and the high content of aromatics,cyclane.
基础油组成中烷降低,芳和环烷上升是其酸值上升和度指数下降的内在原因。
the low viscosity index and the higher acidity were resulted from the low paraffinicity and the high content of aromatics,cyclane.
基础油组成中烷降低,芳和环烷上升是其酸值上升和度指数下降的内在原因。
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