题目内容
对重载的齿轮传动应该选用模数大的齿轮。 ( )
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SQL Error: select id,body,options from ***_enewstiku where sourceid='24895' and id < 2124551 and id<>'2124551' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24895' and id > 2124551 and id<>'2124551' order by id asc limit 5