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Terms for subject Explosives and Explosive Ordnance Disposal containing Trial | all forms | exact matches only
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blasting field trial爆破现场试验
progressive trial分段试验
site trial现场试验
spacing determined by experience and trial, and again depends on the drill hole diameter确定炮孔间距一是靠经验和试验、二是由钻孔直径来定
trial blast-trial shot尝试性爆破
trial blast-trial shot试验爆破

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