... 地层砂金洗选槽 ground sluice 地层支护平巷 pillar drive 地面采矿法分类 surface mining methods ...
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drive from pillar to pillar 朝东跑朝西跑
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Drive USES one three-phase induction motor per pillar.
每根柱都使用一个三相感应电动机进行驱动。
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Because of its high degree of association related and strong function of drive, it has already become a pillar industry in the national economy.
房地产业由于其关联度高、带动力强成为我国国民经济的支柱产业。
An hour's drive north of Pangani are the Tongoni ruins, which include the largest collection of Shirazi pillar-style tombs (most dating to the 14th or 15th Centuries) on the East African coast.
BBC: Tanzania without the crowds
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