“chain-drop hammer”的概念、定义、翻译、参考文献-科学参考

单词	chain-drop hammer
释义	chain-drop hammer 链式落锤
随便看	timber compoment timber concession timber connection timber connector timber connectors timber construction timber crib timber crib breakwater timber crib dam timber cribwork (填石) timber culvert timber cutter timber cutting chain saw timber cutting saw timber dam timber dapper timber dealer timber deck cargo timber deck (ed) weir timber delivery tax timber derrick timber dimension timber dog timber door timber drag

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。