隔壁老王国产在线精品

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新型礦山鋸
工作效率高經濟效益大:每臺礦山鋸連續工作24小時,可開采荒料200立方米,每立方米工本費僅需人民幣80元,是傳統爆破開采成本的40%。
安全性能高:新型礦山鋸生產不用雷管炸藥,既保證工作場地的安全,還避免了雷管炸藥流入社會,有效的消除了安全隱患。

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隔壁老王国产在线精品
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