但厚度增加到一定值时，磨损速率不变。
When thickness increases above a certain value, wear rate becomes unchanged.
基础油中磺酸钙的加入使氮化硅的磨损速率得到降低。
The calcium sulfonate additive reduces the wear rate of the materials.
石墨的磨损速率随载荷增加而增大，石墨ig11的耐磨性优于MG的。
The wear rate of graphite increases with the load, and the wear rate of IG11 is lower than that of MG.
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