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Siemens electric arc steelmaking
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Siemens electric arc steelmaking
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Siemens electric arc steelmaking
西门子电炉炼钢法
德裔英国冶金学家西门子发明的一种采用单相电弧间接加热熔化铁料的炼钢方法。
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crystallographic direction, crystal direction
crystallographic group
crystallographic group of rotations
crystallographic matrix group
crystallographic plane
crystallographic point group
crystallographic restriction
crystallographic shear
crystallographic space group
crystallographic subgroup
crystallographic symmetry
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crystalloluminescence
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