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粒雪
原专指冰川上经过至少一个消融季节后保存下来的湿雪,即冰川积累区表面经融水作用的雪。后将极地干雪带中具有特定密度与粒形的雪也称粒雪。
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永久积雪,永久冰雪
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Railway Guerrilla
railway industrial siding
railway infrastructure communication network
railway intelligence service
railway intelligent building
railway intelligent dispatching command
railway intelligent logistics
railway intelligent transportation system
railway intermodal flatcar
Railway Internet Ticketing System
railway ITS architecture
railway labor protection
railway launching vehicle
railway law
Railway Law of the People's Republic of China
railway level crossing signal
railway lines within station yard
railway location design
railway locomotive and rolling stock
railway luggage and parcel traffic
railway maintenance construction schedule
railway maintenance operation skylight
railway marketing
railway marshalling station
railway master data platform
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