用40%的司盘60(HLB=4.7)和60%的吐 温60(HLB=14. 9)组成的混合表面活性剂 的HLB是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30791' and id < 2479726 and id<>'2479726' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30791' and id > 2479726 and id<>'2479726' order by id asc limit 5