曲柄摇杆机构中，曲柄为主动件时最小传动角可能出现在（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24895' and id < 2124535 and id<>'2124535' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24895' and id > 2124535 and id<>'2124535' order by id asc limit 5