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难熔金属
释义
难熔金属
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工学
难熔金属
释
refractory metals
难熔金属
熔点高于2400℃的钨(W)、钽(Ta)、钼(Mo)、铌(Nb)、铼(Re)等金属的总称。以难熔金属为基体,添加其他元素的合金称为难熔合金,其使用温度在1200℃以上。
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topologizability
topologizable
topologization
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topologizing system
topology
topology auto discovery,TAD
topology chemical reaction
topology consistent with duality
topology control
topology feature
topology induced by a metric
topology in ferroics
topology of a field
topology of analytic spaces
topology of a space
topology of biequicontinuous convergence
topology of bounded convergence
topology of compact convergence
topology of coordinatewise convergence
topology of curves
topology of embeddings
topology of fiber bundles
topology of groups
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