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| 11. | mining it uses much less energy than syntheizing plastics, as well as those other packaging staples, paper and cardboard. |
| 开采起来比合成塑料及其他包装材料，如纸和溥纸板节省能源很多。 |
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| 12. | Much coal also is used in chemical industries for the manufacture of plastics and other synthetics. |
| 化学工业生产数百种塑料和其它合成制品也用煤很多。 |
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| 13. | surfactant but because of its long history is categorized（分类） separately from the so-called synthetic(合成的 |
| 肥皂是阴离子型表面活性剂，但由于它的悠久历史而把它与称为合成洗涤剂的那一类区别开来。 |
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| 14. | laminated plastics |
| 层压塑料|塑料层板 |
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| 15. | In the kitchen and the bathroom you will probably see some plastic fittings such as tiles and working surfaces;polystyrene cups;curtains made from synthetic materials;disinfectants and detergents. |
| 在厨房和浴室里你可能看到一些塑料器具，如塑料地板和塑料操作台面、聚苯乙烯杯子、合成材料的浴帘、消毒剂和去污剂。 |
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| 16. | synthetic hydrocarbo |
| 合成烃；合成碳氢化合物 |
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| 17. | shellac plastics |
| 虫胶塑料|紫胶塑料 |
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| 18. | 5、 表面塑料层在加工成型时可留一定的余量，装配压入座孔后可自行加工，以达到更好的装配尺寸。 |
| It is machinable for the thicker of POM. |
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| 19. | image synthesis |
| 图像合成;像合成 |
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| 20. | technological plastics |
| 高级技术塑料; 工艺塑料 |
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