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ڣ[2013-01-21 10:51:20]   [2876]
ھ޵ӰõÿϸڶĸݣôС˵һйؾ޵ӰõϢϣܹҸõ˽޵Ӱã
޵ӰãPolycarboxylate Superplasticizerһָ޵ӰãˮеһˮɢѧϿԷΪ࣬Ϊ׻ϩᣬΪźMPEGMethoxy polyethylene glycolͽṹһΪΪ۱ϩᣬΪVinyl alcohol polyethylene glycol,ͽṹ޵ӰDZܺ³ƵӰԺƵһ޵Ӱá뱾ղݾò󣬻и̮ȱܣڰСʱ̮Ȼʧ1ḫʧСmʱؼ͡ˮʸߡСص㡣뱾ղݾòɴ߻ԣʹܽϳʱʩܣͬʱܸƻĺԼѧܣ߹
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