词条	Raw materials used in the manufacture of portland cement
释义	Raw materials used in the manufacture of portland cement Table Raw materials used in the manufacture of portland cement (percentage composition) raw material CaO SiO2 Al2O3 Fe2O3 MgO loss on ignition limestone 52 3 1 0.5 0.5 42 chalk 54 1 0.5 0.2 0.3 43 cement rock 43 11 3 1 2 36 clay 1 57 16 7 1 14 slag 42 34 15 1 4 0 See as table:
随便看	Laja River Lajes La Jeune Belgique Lajoie, Nap Lajos Batthyány, Count Lajos, Count Batthyány Lajos Gulācsy Lajos Kassák Lajos Kossuth Lajpat Rai, Lala La Junta lakabi ware Lakanal, Joseph Lak-Dargin languages lake Lake Agassiz Lake Alakol Lake Albano Lake Albert Lake Alexandrina Lake Algonquin Lake Amadeus Lake Amatitlán Lake and Palmer Emerson Lake Apanás

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