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...
怀特既有远见又充满理性。White was both visionary and rationalist.最有远见的政治家the most far-sighted of politicians不想花钱修理房子,这是缺乏远见的.It's very shortsighted not to spend money on repairing the house....
Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide...火星的大气层极其稀薄,几乎全部由二氧化碳构成。Gasfired heaters should not be used in corrosive or explosive atmosphere.燃烧煤气的加热器不宜用于有腐蚀性或危险性的气体中.As the lungs e...