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51. | expansion shield |
| 扩展护罩 |
|
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| |
52. | concrete shield |
| 混凝土防护层 |
|
|
| |
53. | Tube shield |
| 管罩 |
|
|
| |
54. | embryonic shield |
| 胚盾;胚质 |
|
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| |
55. | Hallinger shield |
| 哈林格盾构 |
|
|
| |
56. | external shield |
| 外屏蔽 |
|
|
| |
57. | evaporation shield |
| 蒸发挡板 |
|
|
| |
58. | insulating shield |
| 绝缘护片 |
|
|
| |
59. | filament shield |
| 配光屏 |
|
|
| |
60. | shield method |
| 盾构法 |
|
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| |