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ledeburite
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ledeburite
莱氏体
含碳4.3%的铁碳二元系合金于1148℃发生共晶转变所形成的奥氏体和碳化物(或渗碳体)的共晶体。钢铁材料基本显微组织中的组成相之一。一般用符号Ld表示。
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ledeburite
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underground passage
underground pedestrian system
underground personnel transportation vehicle
underground pipeline
underground pipeline detecting and surveying
underground pipeline information system
underground pipeline modeling
underground pipeline survey
underground pneumatic down-the-hole drilling rig
underground power plant
underground power transmission
underground public facilities planning
underground pump room
underground pump station
underground railway
underground railway station
underground refueller
underground research facilities
underground reservoir
underground residence
underground road
underground service drilling hole
underground sewage treatment facility
Underground Space Design
underground space environment
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