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装版及打稿机
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装版及打稿机
mounting and proofing machine
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reciprocating pump
reciprocating pump
reciprocating rake
reciprocating roller
reciprocating saw
reciprocating scraper
reciprocating screen
reciprocating segment stage
reciprocating share
reciprocating sieve
reciprocating spade
reciprocating trough conveyor
reciprocating vacuum pump
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
reciprocity
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。
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