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25 - salt; sulfur; earths and stone; plastering materials, lime and cement
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25.01 - 盐 -
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25.02 - 黄铁矿 -
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25.03 - 硫 -
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25.04 - 石墨 - natural graphite:
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25.05 - 沙 - natural sands of all kinds, whether or not colored, other than metalbearing sands of chapter 26:
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25.06 - 石英 - quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:
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25.07 - 高岭土 -
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25.08 - 粘土 - other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths:
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25.09 - 粉笔 -
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25.10 - 磷酸钙 - natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk:
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25.11 - 硫酸钡 - natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816:
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25.12 - 硅质化石粉 -
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25.13 - 浮石 - pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heattreated:
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25.14 - 石板 -
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25.15 - 大理石，石灰华及雪花石膏 - marble, travertine and other calcareous monumental or building stone of an apparent specific gravity of 2.5 or more, and alabaster, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:
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25.16 - 花岗岩 - granite, porphyry, basalt, sandstone and other monumental or building stone, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape:
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25.17 - 砾石及碎石 - pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast; shingle and flint, whether or not heattreated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heattreated:
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25.18 - 白云石 - dolomite whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; dolomite ramming mix:
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25.19 - 碳酸镁 - natural magnesium carbonate (magnesite); fused magnesia; deadburned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure:
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25.20 - 石膏 - gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders:
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25.21 - 石灰石 -
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25.22 - 生石灰 - quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825:
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25.23 - 水泥 - portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers:
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25.24 - 石棉 - asbestos:
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25.25 - 云母 - mica, including splittings; mica waste:
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25.26 - 滑石 - natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rect angular (including square) shape;talc:
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25.28 - 硼砂 -
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25.29 - 长石 - feldspar; leucite, nepheline and nepheline syenite; fluorspar:
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25.30 - 其他矿产 - mineral substances not elsewhere specified or included:
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