短语词组短語cerebral arterial main trunk 腦動脈主乾支arterial l trunk 動脈乾brachiocephalic arterial trunk 頭臂動脈乾linguofacial arterial trunk 舌麪動脈乾Common arterial trunk 共同動脈乾netlike vessel of arterial trunk 動脈乾網狀血琯 返回 arterial trunk