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Terms for subject Explosives and Explosive Ordnance Disposal containing 开断 | all forms
ChineseEnglish
上半断面超前开挖在全断面掘进的隧道中，当地质条件不稳定时,可临时改用上半断面超前开挖法，待衬砌完成后，再开挖下半部pilot excavation of upper half crossection
最大断开限度maximum breaking capacity

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