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21. | fumigation preparation |
| 熏蒸制剂 |
|
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| |
22. | preparation theory |
| 预备说 |
|
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| |
23. | professional preparation |
| 专业准备|专业训练 |
|
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24. | contact preparation |
| 印制准备|接触制备 |
|
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25. | intracanal preparation |
| 根管内预备 |
|
|
| |
26. | haemorrhoid preparation |
| 治痔剂 |
|
|
| |
27. | ore preparation |
| 矿石准备 |
|
|
| |
28. | combination preparation |
| 复合制剂 |
|
|
| |
29. | humid preparation |
| 浸制标本 |
|
|
| |
30. | film preparation |
| 涂片 |
|
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| |