通用构像方程

A. align the vessel's tailshaft
B. determine the vessel's trim
C. determine the vessel's freeboard
D. locate the vessel's centerline

A. 肝叶切除
B. 胃大部切除
C. 三腔管压迫
D. 肝固有动脉结扎及胆总管引流
E. 肝固有动脉结扎