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Po1yethy1ene 之略语; SBR——苯乙烯—丁二烯橡胶(丁苯橡胶),Styrene-Butadiene-Rubber 之 略语; SBS ——苯乙烯 - 丁二烯 - 苯乙烯嵌段共聚物 , Styrene — Butadiene — Styrene B1ock Copo1ymer 之略语; SMA ——沥青玛蹄脂碎石混合料 , Stone Mastic Aspha1t( 英 ),Stone Matrix Aspha1t(美)之略...