借助于载体使非脂溶性药物由高浓度区域向低浓度区域转运，不需要的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30357' and id < 2453523 and id<>'2453523' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30357' and id > 2453523 and id<>'2453523' order by id asc limit 5