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polymer additives
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polymer additives
Encyclopedia
工学
高分子助剂
释
polymer additives
高分子助剂
高分子材料和产品在合成与加工过程中所需加入的辅助性化学物质。简称助剂。又称添加剂、配合剂等。
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railway luggage and parcel traffic
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railway maintenance operation skylight
railway marketing
railway marshalling station
railway master data platform
railway material management
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railway mobile communication system
Railway Nationalization
railway operation
railway over-zone feeding
railway passenger car
railway passenger service
railway passenger service information system
railway passenger station
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railway passenger train service work
Railway Port of Suifenhe City
railway retaining wall struction
railwayretaining wall struction
railway roadbed problems and remedial measures
railway rolling stock
railway rolling stock maintenance and repair
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