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Terms for subject Explosives and Explosive Ordnance Disposal containing triangle method | all forms | in specified order only
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connection triangle method连接三角形法以连接点和井筒两锤线构成三角形，进行一井定向的连接测量方法
transfer triangle method连接三角形法以连接点和井筒两锤线构成三角形，进行一井定向的连接测量方法

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