您要查找的是不是：
- effective retarding force(汽车的)有效减速力
- 包材packing materials
- 原材live wood
- 棒材steel bar
- 卷材coiled material
- 母材mother plate
- 片材sheet
- 大材小用give an able person a small job
- 带材strip steel rolled stock
- 资材部Procurement Department
- 锯材sawn goods
- 底材ground(ing)
- 靶材target
- 防水卷材waterproof roll
- 中材person of average ability; mediocre
- 芯材core
- 真材实料real thing
- 在30英寸印刷机上印刷名片简直是大材小用，得不偿失。Printing business cards on a thirty-inch press is using a sledgehammer to crack a nut.
- 视觉辅材visual aids
- 那些马把圆木拖到制材厂。The horses hauled the logs to the mill.
