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I. It is applicable to all fields of human social infrastructure construction; It has opened the shackles of traditional mortar masonry and concrete on the development of human society; Inject power into the development of human society!... II. It has contributed a magic weapon to the green revolution of the human world... Jcry technology, in terms of artificial rock mass with cement as cementitious material, completely subverts the traditional construction technology of mortar masonry and all kinds of concrete. It is a compact structure filled with rockfill as the skeleton, and the quality reaches or exceeds the natural high-quality rock mass; The construction cost is only 1 / 2 1 / 3 of that of mortar masonry and concrete; The construction speed is several times to more than ten times that of concrete, and even dozens of times in large-scale projects. It is a fast artificial rock mass method. Jcry technology is realized through "Qianyu artifact". A set of "Qianyu artifact" combined..