载荷较大并承受冲击的场合，轴承盖和轴承座采用铸钢制造。 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24889' and id < 2124354 and id<>'2124354' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24889' and id > 2124354 and id<>'2124354' order by id asc limit 5