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三峡永久船闸二期工程爆破试验进入实施阶段一道国内外工程界尚未突破的难题——人工开挖造就直立边坡高达６０ｍ的精确成型及确保其基础稳定的施工方法，自６月初开始已在三峡水利枢纽永久船闸二期工程施工现场进行探索。至６月下旬已开展了５组（次）不同内容的爆破试验...
The Three Gorges Permanent Ship Lock Phase II Project Blasting Test Entering into the Implementation Stage A Breakthrough for Domestic and Foreign Engineering Works - Artificial Excavation to Make Precise Molding of Upright Slope up to 60m and Construction Method to Ensure Its Foundation Stability Since the beginning of June, Hydraulic Project Permanent Ship Lock Phase II construction site to explore. By the end of June, five sets of (different) blasting tests have been carried out ...