作者从摩擦学所涉及的诸多事实出发, 指出在摩擦学中实际上存在 3 个公理, 并由这 3 个公理推导出若干个定理和系-Tribological by authors from a number of facts involved, pointing out that there is in fact in the Tribology of Justice 3 by the three axioms that derive a number of theorems and the Departmen