“double(-ended) spanner”的概念、定义、翻译、参考文献-科学参考

单词	double(-ended) spanner
释义	double(-ended) spanner 双头扳手
随便看	normal chain normal charge normal charging current normal charging period normal chart normal circular pitch normal circular thickness normal circulation normal-circulation rotary drilling normal clear normal clearance normal-clear system normal climate normal climb normal closed gate normal closed signal normal close valve normal closing hours normal closure normal code normal coefficients normal color photograph normal colo(u)r sight normal colour sight normal combustion

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。