您要查找的是不是：
- Dental impresion materials 牙科印模材料
- Dental metallic materials - Corrosion test methods. 牙科用金属材料。抗腐蚀试验方法。
- Dental prosthetics involving a bridge or bridges. 用齿桥补牙用一个或多个齿桥进行牙齿修复
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- I had undergone a major dental operation. 我经受了一次牙科大手术。
- The beautiful curtain is made of remnant materials. 这个漂亮的窗帘是用零头布做的。
- Some synthetic materials do not crush easily. 有些化纤衣料不易起皱。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地购买原材料。
- The doctor told me that I have many dental problems. 医生说我的牙齿问题很多。
- He is collecting materials for a book. 他正在为写书搜集素材。
- Building materials are expensive. 建筑材料很昂贵。
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒，如牙钻蕊棒
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- He is gathering materials for a new book. 他正在收集资料准备写一本新书。
- Environmentalists are keen on degradable materials. 环保分子特别喜爱能够自然分解的材料。
- Recycled materials are mostly of limited use. 再生材料大多用途有限。
- Silver amalgam is used as a dental filling. 银汞合金被用作牙的填料。
- All the raw materials are imported. 所有原料都是进口的。
- I will like to have a dental checked - up. 我要去牙科做一次检查。
