出现干摩擦时，容易引起运动副表面物质损失的是（ ）磨损。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24897' and id < 2124611 and id<>'2124611' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24897' and id > 2124611 and id<>'2124611' order by id asc limit 5