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初级生产国
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初级生产国
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helical screw pulp conveyer
helical-shell conical shaped bowl
helical slit drum
helical spline broach
helical spool
helical spring
helical steel support
helical stump cutter
helical symmetry
helical symmetry virus
helical tank
helical tip speed
helical tooth
helical tooth(milling)cutter
helical type pump
helical vibration feeder
helical-weld pipe
helical wheel
helical winding machine
helical worm gear
helical wound spring
helical xenon-arc lamp
helical xenonarc lamp
helicine
helicine arteries
科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2024/11/20 2:33:41