... vacuum cylinder gasket 真空气缸垫密片 vacuum cylinder oil 真空气缸油 vacuum cylinder push rod guide 真空缸推杆导管 ...
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vacuum cylinder oil
真空汽缸油
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The treated cylinder oil made of distillated oil from the 4th side line of vacuum tower has features of low acid value, light colour and good stability.
由减四线馏分油生产的精制型汽缸油料，具有酸值低、颜色浅及安定性好的特点。
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