A vast tract of land is ready for development...一大片广阔的土地可待开发。Objective : To investigate myocardial injury and its mechanism after biliary tract obstruction.目的: 观察胆道梗阻后心肌损伤情况并探讨其损伤机制.She produced a feminist tract, 'C...
这些结构通常是斜交的,而横隔板则垂直于纵梁布置.These structures were usually skewed with the diaphragms placed perpendicular to the longitudinal girders.斜交桥由相互斜交的主梁、梁及桥面板组成,结构受力复杂.Obique bridge is made up of main girder crossbeam and bridge fl...