The ore pulp self-returning pipe adopts an ore pulp pipeline inlayed with a wearproof material.

矿浆自返管道采用镶有耐磨材料的矿浆管道。

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Especially, the operation of industrial scale piping for iron concentrate marked that China's pipe transportation of ore pulp had come into the practical application stage.

促进了高水平著述的问世，特别是工业化铁精矿管道的运营，标志着我国矿浆管道输送已进入实用化阶段。

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Back on land, mining-company engineers say new techniques, such as dissolving minerals and sucking them up through a pipe or extracting ore with high-powered water jets, could increase recoverable reserves.

WSJ: Exhausting the Earth's Resources? Not So Fast