blood gas血液气体,窒息性毒气bloodn.血；血统；仇恨vt.流血Blood Shipment Report血液运输报告blood cell antigen MN血细胞MN抗原blood plasma analyzer血浆分析仪blood donation gratis无偿献血Blood-supply artery供血动脉blood-drawing chair抽血椅blood-compatibility血液相容性Blood and Iron Policy铁血政策Blood vessel diameter血管直径blood vascular system血管系统