From superior to inferior, the arrangement of main structures of the root of left lung is? pulmonary artery, principal bronchi, pulmonary veinsprincipal bronchi, pulmonary artery, pulmonary veinspulmonary veins, pulmonary artery, principal bronchipulmonary artery, pulmonary veins, principal bronchi
发布时间:2024-06-19 18:37:32