基本解释[医药科学]止回阀阻塞英汉例句双语例句The mechanism is believed to be a combination of parenchymal necrosis and check-valve airway obstruction .发病机制是实质坏死和活瓣性气道阻塞的综合作用。check-valve obstruction更多例句专业释义医药科学止回阀阻塞