WORD表格上下竖线不能对齐，用鼠标拖动其中一条线，可是一拖就跑老远，想微调表格竖线让上下对齐，请问该怎么办？-WORD can not form the upper and lower vertical alignment, dragging one of the lines with the mouse, but a drag and ran all the way, to fine-tune the table so that the upper and lower vertical alignment, and ask how to do?