“spade drill”的概念、定义、翻译、参考文献-科学参考

单词	spade drill
释义	spade drill [`spād ´dril] ^{DESIGN ENGINEERING} A drill consisting of three main parts: a cutting blade, a blade holder or shank, and a device, such as a screw, which fastens the blade to the holder; used for cutting holes over 1 inch (2.54 centimeters) in diameter.
随便看	Peritrichia Peritrichida peritrichous perityphlitis perivitelline space Perkin reaction perlite perlitic perlucidus perlèche perm permafil permafrost permafrost drilling permafrost island permafrost line permafrost table permalloy permanent anode permanent aurora permanent axis permanent benchmark permanent-completion packer permanent current permanent echo

科学参考收录了103327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。