non-ferrous metal working lubricant 非铁金属加工润滑剂
non-ferrous metal wording lubricant 有色金属加工润滑剂
The products from GTL include fuel oil, base oil for lubricant, and other chemicals, which are environmentally friendly due to their few S, N, metal, and aromatic hydrocarbon content.
GTL产品基本上由直链烷烃、烯烃组成，具有无硫、无氮、无金属、无芳烃等特点，是环境友好的油品和化学品。
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