使呼吸道分泌物中酸性黏多糖断裂，唾液酸含量降低，痰液黏度下降的药物是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30821' and id < 2482089 and id<>'2482089' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30821' and id > 2482089 and id<>'2482089' order by id asc limit 5