naphthenic crude是什么意思 naphthenic crude怎么读
naphthenic crude的用法和样例
- High molecular weight naphthenic acid is a kind of rare natural petroleum resource.It can be produced from the solvent extracted distillates of Xinjiang naphthenic crude oil.
高分子环烷酸是一种稀少的天然石油资源，其来源于新疆环烷基原油经蒸馏切割溶剂萃取而获得，保持其天然属性。
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