外分泌

转β-甘露聚糖酶基因大肠杆菌在猪肠道内的外泌型表达

external cardiopulmonary resuscitation

internal-external upset tubing【油气】

external angle to cove skirting

external selection memory【计】;external selection storage【计】;word select memory【计】

external convertibility【金融】

retching of blood or spontaneous external bleeding during menstruation

external arterio-venous shunt

external suture line