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| 41. | explosive valve |
| 爆破活门 |
|
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| 42. | blasting effect |
| 爆破效应 |
|
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| 43. | contour blasting |
| 轮廓爆破 |
|
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| 44. | staccato explosion |
| 断续爆破 |
|
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| 45. | borehole shooting |
| 钻井爆破 |
|
|
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| 46. | exploitation blasting |
| 开发爆破 |
|
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| | |
| 47. | water infusion blasting |
| 水封爆破 |
|
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| | |
| 48. | Explosives Order |
| 爆破规程 |
|
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| 49. | area of explosion |
| 爆破面积 |
|
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| 50. | surface blasting |
| 露天爆破 |
|
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