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technical service
液压油的选用原则
2007-12-11
(1) 环境条件:以环境温度为主; (2) 工作条件:油泵类型、工作压力、温度、转速、油与金属、密封件和涂料的适应 性、系统运转周期和工作特点等; (3) 液压油的性质:油品的理化指针、使用性能和特点等; (4) 经济性:油品的价格、使用寿命等。
2007-12-06
纸张涂布润滑剂应用和分类...
2007-12-06
自己如何保养前/后轮轴承...