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| 辅助穴 | |||
| 释放孔; 卸载孔 | |||
| 减压孔 | |||
| 辅助炮孔; 前探炮孔该词有多种意义。如在平巷掘进中，最靠近掏槽孔的、用于刷大掏槽所形成的空间的炮孔, 为主爆破起爆的药包减少或排除部分覆土而装药和引爆的炮孔, 在紧靠拒爆炮孔钻出的炮孔，起爆时可能诱发或移去拒爆炮孔内的炸药。参见 satellite ；easer hole | |||
| 放空孔 | |||
| 辅助炮眼; 减载炮眼; 衬托孔洞; 放水孔 | |||
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relief hole : 1 phrase in 1 subject |
| Explosives and Explosive Ordnance Disposal | 1 |
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