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51. | impression taking |
| 取模 |
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52. | cardiac impression |
| 心压迹 |
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53. | expanding impression |
| 扩径模膛 |
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54. | edger impression |
| 滚挤模腔 |
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55. | first impression |
| 初步印象 |
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56. | impression material |
| 印模材料 |
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57. | impression contro |
| 压印密度控制 |
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58. | duodenal impression |
| 十二指肠压迹 |
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59. | impression diameter |
| 压痕直径 |
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60. | frame impression |
| 框子印 |
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