“ball”的概念、定义、翻译、参考文献-科学参考

单词	ball
释义	ball 滚珠海绵铁球弹磨球线团丝锥接套球球端球核球形药气象风球普通弹耐火土块缓沙坝珠
随便看	tightening tightening belt tightening bolt tightening device tightening flap tightening idler tightening indicator tightening nut tightening of bearing tightening pulley tightening rails tightening scale dial tightening screw tightening slide tightening torque tighten the economy tighten up tighten up the money supply tight financing policy tight fit tight fitting tightfitting pain tight flask tight flux bath tight fold

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。