侧壁

Portal vein was invaded in 3 cases and presented as infiltration, stegnosis or occlusion of the vein.

肿瘤侵及门静脉3例，表现为门脉侧壁浸润、门脉缩窄或闭塞。

If the emitter ledge is too thick, current will flow through the undepleted ledge, which increases the emitter-size effect.

不适当的部厚度，将会部侧壁造成严重的表面复合。