Sales: magnesia, magnesia brick, Meitanzhuan, bottom material, a special material that is not stereotypical fire-proof material, the light burning powder, steel.

销售：镁砂，镁砖，镁碳砖，炉底料，捣打料，不定型耐火材料，轻烧粉，钢材。

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Said purifier can effectively absorb the action bottom material; and improve the photo-catalysis process to apply the deeply-purification treatment of micro-pollution water.

该净化器可有效吸附反应底物，促进光催化过程，使得其特别适合于微污染水源的深度净化处理。

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This article introduces the general investigation information about Xin Yun lake bottom material, makes a statistics and analysis of the results, and analyzes the correlation.

介绍了星云湖底质调查工作概况，统计和讨论了结果，并分析了关联度。

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Flat-bottom boats have carried eighteen million cubic yards of dredged material to the island.

VOA: special.2009.10.06

He says,"provincials are like mold, burrowing in their little plots, or frogs at the bottom of their puddles, engaged in sordid, trivial rivalries, moved by petty jealousies, avarice and material interests.

他说,乡下人就像模子里刻出来的,在他们的自留地里乱挖一气,或者在泥浆里面挖青蛙,从事着肮脏,没什么竞争性的工作,为嫉妒,贪婪和物欲所驱动

耶鲁公开课 - 1871年后的法国课程节选

Dredging: excavation, digging, scraping, draglining, suction dredging to emove sand, silt, rock or other underwater sea-bottom material.

UNESCO: L O S S A R Y

Among the new measures proposed are the phasing out of bottom trawls, the heavy gear that scrapes material from the bottom of the sea - fish, coral and anything else in its way.

BBC: Fishing's global footprint

At that range the wadding material could penetrate the top and bottom of a combat boot and the intervening biological material.

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