公共交通起辅助的作用。Public transportation plays a subsidiary role.它提供辅助的食物.It was an accessory food supply.公共交通起辅助的作用.Public transportation played a subsidiary role....
Objective : To investigate the conservative treatment in patients with intrathoracic esophageal and cardia anastomotic leak.目的: 探讨食管癌贲门癌术后胸内吻合口瘘的保守治疗.The leak detection pump ( LDP ) is used only with certain emission pac...