... 环式提芯器 ring lifter 环烷基石油 naphthene base oil 环烷基油 naphthenic oil ...
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naphthene base crude oil [油气] 环烷基原油 ; 环烷基油
low solidification point naphthene-base oil 低温磺化
crude oil naphthene base 环烷基
naphthene base lubrication oil 环烷基润滑油
naphthene e base crude oil 环烷基油
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It is formulated a rust - proof oil to low noise bearings with naphthene base oil which has good rust - proof property.
用环烷基油调配了一种防锈性能良好的低噪音轴承防锈油。
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