以天然硅石灰和海泡石复合矿物代替石棉作为增强材料制备无石棉汽车制动摩擦片，可提高产品的各项性能。
Substituting compound mineral of natural siliceous lime and sepiolite for asbestos in brake friction lining can improve all performances of product.
分析了主离合器摩擦片的磨损具有沿径向非均分布的特点，指出摩擦片在使用过程中，局部高温和材料软化是产生磨损的重要原因。
The wear of friction wafers in main clutch features uneven radical distribution. In the operation of friction wafers, high local temperature and material softening are important reasons causing wear.
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