| 1. | If plastic and rubber are burnt , they 'll give off poisonous gases .
塑料和橡胶燃烧，就会放出有毒的气体。 |
| 2. | Specification for plastics and rubber dustbin lids
塑料和橡胶吸尘箱盖规范 |
| 3. | Plastics and rubber machines - presses - safety requirements
塑料和橡胶机械.压力机.安全要求 |
| 4. | Machines for the processing of plastics and rubber ; definitions
塑料和橡胶加工用的机械.定义 |
| 5. | Cellular plastics and rubbers - determination of linear dimensions
多孔塑料和橡胶.线性尺寸的测定 |
| 6. | Plastics and rubber machines - presses - safety requirements
塑料和橡胶加工机械.压力机.安全要求 |
| 7. | A . plastics and rubber never rot
塑料和橡胶从不腐烂。 |
| 8. | Plastics and rubber never rot
塑料和橡胶从不腐烂 |
| 9. | British plastics rubber
英国塑料和橡胶杂志 |
| 10. | Flexible sheets for waterproofing - plastic and rubber sheets for roof waterproofing
防水柔性板.屋顶防水用塑料和橡胶薄板 |
