Along with the technique reformation of the mine and the exaltation of the production abilities, the drainage ability of the original central pump house of water can't satisfy it.
随着矿井的技术改造和生产能力的提高，原有中央水泵房的排水能力已不能满足生产需要。
Along with the technique reformation of the mine and the exaltation of the production abilities, the drainage ability of the original central pump house of water can't satisfy it.
随着矿井的技术改造和生产能力的提高，原有中央水泵房的排水能力已不能满足生产需要。
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