The effect clouds have on climate has been something of a mystery to atmospheric scientists, with some researchers hoping they would provide a silver lining by acting as a brake on climate change.
Substituting compound mineral of natural siliceous lime and sepiolite for asbestos in brake friction lining can improve all performances of product.
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。
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Weight measurement method is proved reliable through contrast experiments of thickness measurement method and weight measurement method ot test the wear of clutch lining and brakelining.