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Terms for subject Explosives and Explosive Ordnance Disposal containing cross line | all forms | exact matches only | in specified order only
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cross line of shaft center立井断面的几何中心通过立井中心,在水平面上互相垂直的两条方向线,其中一条应垂直于提升绞车的主轴
cross line of shaft center立井十字中线
cross-line立井十字中线