ObjectiveTo study the causes and prevention of stomach adynamia after pericardial devascularization ( PD ).目的探讨贲门周围血管离断术 ( PD ) 后胃动力障碍的原因与预防.The non exposure of the fracture zone means that additional devascularization o...
Squads of prison officers have been probing the rioters' defences.几队狱警一直都在探察暴乱者的防卫情况。These front-line defences are backed up by armoured units in reserve.前线的防务得到后备装甲部队的支援。The defences of the city are strong.这个城市的防御工...