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水井含沙量爆满还塌方，两个月用坏一台潜水泵，村民们还离不开它
水井含沙量爆满还塌方，两个月用坏一台潜水泵，村民们还离不开它#vlog##三相电机##机电##电工##潜水泵##水井##塌方##抽水##技术##机械#
大南砸水泵118/186
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