液压传动易于在较大范围实现无级调速。 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24896' and id < 2124600 and id<>'2124600' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24896' and id > 2124600 and id<>'2124600' order by id asc limit 5