当载荷较大时，可采用（ ）止推轴颈的止推滑动轴承。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id < 2124785 and id<>'2124785' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id > 2124785 and id<>'2124785' order by id asc limit 5