本文通过对润滑脂结构与机理的探讨，和实车试验结果分析，说明轮毂空腔内润滑脂的作用，从而提出轮毂润滑脂新的填充方案。

This paper describes the function of lubricating grease in hub cavity and analyzes the actual test results, then proposes a new scheme for fil- ling lubricating grease.

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润滑油、脂的毒性主要来源于添加剂和填充物，其主要危害是皮炎。

The toxicity of lubricating oil and grease 'chiefly stem from additives and stuff. Its main harm is dermatitis.

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润滑油、脂的毒性主要来源于添加剂和填充物，其主要危害是皮炎。

The toxicity of lubricating oil and grease 'chiefly stem from additives and stuff. Its main harm is dermatitis.

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