| 1. | The compound butyl rubber is calendered .
将混制成的丁基橡胶进行精压。 |
| 2. | Foam rubber provides good insulation .
泡沫橡胶隔绝性能良好。 |
| 3. | Gaskets and o rings are made of elastomers .
密封垫和O型环是由人造橡胶制成的。 |
| 4. | He mounted their engines on a rubber base .
他把他们的发动机装在一个橡胶垫座上。 |
| 5. | The product was a rubbery solid .
产品是橡胶态的固体。 |
| 6. | The government bought up the whole domestic rubber crop .
政府买进国产的全部橡胶。 |
| 7. | Rubber is an elastic material .
橡胶是一种弹性材料。 |
| 8. | The basic ingredient of the mixture is liquid thiokol .
其基本组份之一是液体聚硫橡胶。 |
| 9. | Hard rubber and fur are commonly used in demonstrations .
在演示中，常用硬橡胶棒和毛皮。 |
| 10. | He presses the rubber stopper firmly down on the vent .
他使橡胶塞牢固地塞进盖上的排气孔。 |
