“stepped screw”的概念、定义、翻译、参考文献-科学参考

单词	stepped screw
释义	stepped screw 台阶螺钉
随便看	bucket linkage bucket lip bucket loader bucket locking piece bucket loss bucket nose bucket operating cylinder bucket paternoster (elevator) bucket proofer bucket pump bucket rig bucket ring bucket rock grab bucket roller bucket root bucket scraper bucket shop bucket spindle bucket spindle stud and nut buckets pitch bucket system milking machine bucket teeth bucket thermometer bucket-tipping car bucket tipping device (斗式提升机的)

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。