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Terms for subject Explosives and Explosive Ordnance Disposal containing pilot drift | all forms | exact matches only | in specified order only
| English | Chinese |
| pilot drift method | 导硐掘进法对于巷道或硐室,先以小断面超前掘进，然后再扩大到设计断面的掘进方法 |
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| English | Chinese |
| pilot drift method | 导硐掘进法对于巷道或硐室,先以小断面超前掘进，然后再扩大到设计断面的掘进方法 |