The problems such as noise, abnormal sound, heat and lubricating oil leakage of front gear box of DF 8b locomotive are analyzed in detail.
对东风8 B型机车前变速箱存在的噪音、异音、发热和机油泄漏等问题，进行了详尽的分析。
2
Study of new generation lubricating grease for heavy - duty gear has been discussed elaborately, including its composition, performances and applications.
论述了新一代重负荷齿轮脂的研究，包括其组成、性能、应用。
3
The gear pump is suitable in the transportation does not contain the solid particle, non-corrosiveness, the viscosity scope big lubricating ability liquid.