“立臂式挖土机”的概念、定义、翻译、参考文献-科学参考

单词	立臂式挖土机
释义	立臂式挖土机 vertical-boom excavator
随便看	positive-negative control positive negative controller positive negative logic positive-negative switch positive-negative three level action positive nitrogen balance positive nitrogen equilibrium positive nonzero integer positive normal positive nucleus positive number positive opening positive operator positive orbit closure positive order positive-order component positive ordinate positive ore positive orientation positive orientation of spin positive orthant positive orthogeotropism positive output positive ovality positive part

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。