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| 51. | blasters' permit |
| 爆破技术员 |
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| 52. | cushion shooting |
| 缓冲爆破 |
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| 53. | delayed blasting |
| 迟误爆破 |
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| 54. | blasting efficiency |
| 爆破效率 |
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| 55. | demolition-control point |
| 爆破控制点 |
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| 56. | underwater demolition |
| 水下爆破 |
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| 57. | outlining blasting |
| 圈定爆破 |
|
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| 58. | blasting circuit |
| 爆破线路 |
|
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| 59. | vibration blasting |
| 振动爆破 |
|
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| 60. | blasting engineering |
| 爆破工程 |
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