extraoral口外的
extraadj.额外的n.额外之物;临时演员adv.特别地
extra-large orifice sprinkler system特大喷口喷水灭火系统
Extra-low permeability oil reservoir特低渗油藏
extra-long large diameter pile group超长大直径群桩
Extracelluar signal-regulated kinase细胞外信号调节激酶
extracorporeal shock wave lithotriptor体外冲击波碎石机
Extracellular biopolymeric flocculants胞外生物高聚物絮凝剂
Extramedullary hematopoiesis of spleen脾髓外造血
extraterritorial rights and privileges治外法权及其特权.