“转柄钻--中心钻头”概念、定义、翻译-科学时代

单词	转柄钻--中心钻头
释义	水利水电词汇手册 centre bit 中心钻头，转柄钻
随便看	ground distributor ground dynamic ejection test ground echo ground echo pattern grounded-anode amplifier grounded-base amplifier grounded-cathode amplifier grounded circuit grounded conduit grounded-emitter amplifier grounded grid grounded neutral grounded neutral system grounded-plate amplifier grounded set grounded theory grounded theory ground effect ground effect ground effect ground effect test ground effect vehicle ground electrical power source ground elevation ground environment

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。

centre bit