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