expandern.扩充器expandv.使 ... 膨胀；详述；扩张；增加；张开expanding construction扩挖施工expanded-bed reactor膨胀床反应器expanded form of value扩大的价值形式expandable polystyrene可膨胀的聚苯乙烯expanded slag concrete膨胀矿渣混凝土Expanded - frequency扩频expand one's influence[化] 乙烷二磺酸Expanded forehead flap额部扩张皮瓣expanded memory system扩展内存系统expanded PTFE membrane聚四氟乙烯