Whole section once detonation is an important way to realize blast safety and to improve blast efficiency. This paper introduces the application course of whole section once detonating technique.

全断面一次起爆技术是实现爆破安全、提高爆破效率的重要途径，介绍了全断面一次起爆技术的应用过程。

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Because of its high capacity and large spectral efficiency, V-BLAST system became popular in recent years.

近年来，由于该系统具备较高传输容量和频谱利用率，而受到了广泛关注。

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These new technologies lay solid foundation for realizing the target of high efficiency, high quality, low consumption, long campaign and environmental protection of blast furnace.

采用了这些新技术，为实现高炉高效、优质、低耗、长寿和环保的新目标打下了坚实的基础。

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The old blast furnace was decommissioned in July last year before being completely rebuilt, incorporating the latest technology to improve energy efficiency, environmental performance, safety standards and capacity.

BBC: Tata Steel's ?185m Blast Furnace No 4 starts up