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科学时代收录了1160609条科普词条,基本涵盖了常见科普常识及英语词汇的翻译,是科学学习和研究的有利工具。

roller conveyor roller cooling bed roller die roller dryer roller dryer
roller electrode roller feeder roller feeder roller gate roller hearth furnace
roller iron roller kneader roller leveler roller line roller mill
roller mill roller mill roller mower roller oscillating tooth roller picker
roller printing roller reel roller seeder roller shutter roller skating
roller spot welding roller straightening machine roller streak roller stripper roller stripping
roller support roller title roller tractor roller train roller-way face
roller welding Rolle theorem roll film roll flattening roll force
roll forging roll formed shape roll forming roll forming roll forming mill
roll fricative roll grinder roll grinding roll grinding machine roll housing
rolling rolling rolling rolling rolling
rolling account rolling and measuring machine rolling average rolling axis rolling budget
rolling budget rolling circle rolling-circle replication rolling contact rolling credit
rolling curve rolling cutter rolling cycle rolling cycle replication rolling cyclorama
rolling depression rolling direction rolling effluent rolling equipment rolling friction
rolling friction rolling friction rolling friction rolling friction rolling harrow
rolling header rolling hitch rolling kitchen rolling line rolling loop
rolling loop projector rolling machine rolling mill rolling mill rolling mill
rolling mill engine rolling mill housing rolling moment rolling motion rolling-off
rolling period rolling pin rolling plant rolling power rolling press
rolling pressure rolling rate oscillation rolling resonance rolling sea rolling settlement
rolling shaft rolling skin rolling solution rolling stage rolling stock
rolling stone Rolling Stone Rolling Stones,The rolling subsidence mode rolling support
rolling surface rolling temperature rolling temperature region rolling terrain rolling texture
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