“push-down machine”的概念、定义、翻译、参考文献-科学参考

单词	push-down machine
释义	push-down machine 下按式放炮器
随便看	bad coin bad colour bad conductor bad contact bad debts recoveries baddeckite baddeleyite bad delivery bad earth bad faith badge badge card badge card reader bad geometry badger badge reader badger fat badger hair badger-hair softener badger plane Badger rule badger skin badger softener badges of trade badging

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。