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水闸门
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水闸门
为避免因停电及排水设备发生故障或因较大突水造成淹井事故,而在通往水害威胁地区巷道的总汇合处、井底车场、井下水泵房等巷道内设置的用于拦截水流的防水设施。
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ground diameter
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ground dragon
ground-dwelling pest
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ground effect of main rotor
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ground gamma-ray surveying
ground geophysical prospecting methods for groundwater
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ground improvement and reinforcement for hydraulic structures
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