| 1. | Hard rubber and fur are commonly used in demonstrations .
在演示中，常用硬橡胶棒和毛皮。 |
| 2. | The 1912 battery had 12 small cells, each consisting of three plates in a small hard rubber jar with a soft rubber cover .
1912年的那只蓄电池有12个单体，每个单体由三片极板组成，装在小的带软胶盖的硬橡胶壳内。 |
| 3. | Vulcanized rubber insulated cable
硬橡胶绝缘电缆 |
| 4. | Hard rubber is a much better substance with which to construct a clarinet
其实硬橡胶是制造单簧管的很好的选择。 |
| 5. | Tolerances applicables to moulded and extruded products of rubber or ebonite
橡胶或硬橡胶的模制和压制产品的适用公差 |
| 6. | Ebonite bars of round section
硬橡胶圆棒材 |
| 7. | Hard rubber sheets
硬橡胶片材 |
| 8. | Plastics and ebonite - determination of indentation hardness by means of a durometer shore hardness
塑料制品和硬橡胶.用硬度计测定压痕硬度 |
| 9. | Plastics - determination of temperature of deflection under load - part 2 : plastics and ebonite
塑料.载荷下挠曲温度的测定.第2部分:塑料和硬橡胶 |
| 10. | Plastics - determination of temperature of deflection under load - part 2 : plastics and ebonite
塑料制品.负载下偏离温度的测定.第2部分:塑料和硬橡胶 |
