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You can reset the frictional properties of the specifiedcontact property definition or element set to their original values.
你必须确定哪种接触属性定义或接触单元集改变了。
The pyrophyllite powder at very low price is used as the filler of brake composites to accommodate the frictional properties and markedly reduce the cost.
采用价格低廉的叶蜡石作为制动复合材料的填料，不仅可以调节制动材料的摩擦学性能，而且能够大幅度降低成本。
In this paper, the essence of the ultrasonic vibration on the frictional properties is presented, based on the concept of virtual rollers excited by ultrasonics.
基于所提出的虚拟滚动体的思想，阐述了超声波减摩的实质。
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