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我矿井下-435m永久性排水泵房安装有7台DDM300-79×6Z主水泵,用于将-250m以下各中段出现的涌水排至地表。水泵技术参数如表1。
There are 7 main DDM300-79 × 6Z main pumps installed in the -435m permanent drainage pumping station in the mine for discharging the gushing water appearing in the middle below -250m to the surface. Pump technical parameters in Table 1.