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| 11. | Experience will dictate how to vary the mold spray formula in accordance with casting results but do so very slowly. |
| 根据铸造效果，可以凭经验改变脱模剂的配方，但这样很慢。 |
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| 12. | The polyester in these compositions is a 50% solution of a maleic acid-prophlene glycol condensate in diallyl phthalate. |
| 在这些配方中的聚酯是马来酸--丙二醇缩合物在酞酸二烯丙酯中的50％溶液。 |
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| 13. | Various phenolic formulations, impregnated in glass fabrics, were studied in this way. |
| 曾用此方法研究浸入玻璃织物的各种苯酚配方。 |
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| 14. | The formula of the medicine is still a secret. |
| 此药的配方仍是秘密。 |
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| 15. | It is difficult to set down an exact formula because cork is a natural product. |
| 要确定脱模剂的精确配方是困难的，因为软木是一种天然产物。 |
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| 16. | Nagative expander formulas started to include such items of wood, as wood dust or wood flour. |
| 负极板膨胀剂配方开始包括木质一类的材料，如木屑或木粉。 |
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| 17. | Regardless of the formula, the milled load in the jars must be adjusted so that it is neither too thin nor too thick. |
| 不论配方如何，罐中的研磨料必须调整至既不太稀也不得太稠。 |
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| 18. | They are working on the perfection of their new paint formula. |
| 他们正在努力研制尽善尽美的新颜料配方. |
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| 19. | Mold spray life, with some of the formulas mentioned above, should be at least several hours with some touched up with the spray gun. |
| 用上述配方配制的脱模剂，用喷枪喷涂，其有效期至少可达几小时。 |
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| 20. | Two typical recipes for the preparation of cold SBR are shown in Table 1.3. |
| 制造低温丁苯胶的两个典型配方示于表1．3。 |
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