【物理】高架投影仪

免费提供一套投影仪和屏幕。

（准备好会议室的投影幻灯机。）

unabsorbed burden【会计】;unabsorbed overhead【会计】;unapplied overhead【会计】

manufacturing overhead

overhead volume efficiency variance

factory overhead allocation to department【会计】

overhead time【计】

overhead fillet weld

types of manufacturing overhead costs

labour hours basis for overhead application