Good detergency scattered in the engine performance and reduce sediment formation;

优异的清净分散性能，减少发动机内沉积物的生成；

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As a typical orogeny of continental collision, Qingling has no condition for large scale UHPM formation, although scattered UHPM may not be excluded.

秦岭作为典型造山带，虽然不排除零星超高压变质的可能，但不具备大规模超高压变质的条件。

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