... 坟墓基石 footstone 环烷基石油 naphthene base oil; naphthene crude oils; naphthene-base crude; naphthenic crude; naphthenic base oil 混合基石油 hybrid base petroleum; hybrid-base oil; mixed base oil; mixed-base petroleum ...
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naphthene base crude oil [油气] 环烷基原油 ; 环烷基油
naphthene base crude [油气] 环烷基原油
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