凝血酶时间（TT）延长时，加入硫酸鱼精蛋白可使其明显缩短，提示血浆中增高的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30623' and id < 2469728 and id<>'2469728' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30623' and id > 2469728 and id<>'2469728' order by id asc limit 5