压片前必须加入的，能增加颗粒（或粉末）流动性，减少颗粒（或粉末）与冲模内摩擦力的辅料称为

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29384' and id < 2393669 and id<>'2393669' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29384' and id > 2393669 and id<>'2393669' order by id asc limit 5