According to the practical situation, this paper provides design scheme of the controllability of shut-off valve, and proofs its feasibility by test structure.
2
井下水泵房排水系统担负着整个矿井积水排除的任务，其安全可靠性直接影响矿井生产的效率和安全。
Pumping collected water from mining area is the job of drainage system in pumping house under mine, which has closely relations to mining security and efficiency.
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