“external thread”的概念、定义、翻译、参考文献-科学参考

单词	external thread
释义	external thread [ek¦stǝrn·ǝl `thred] ^{DESIGN ENGINEERING} A screw thread cut on an outside surface.
随便看	Ward-Leonard speed-control system warehouse war game war gas warhead warhead installation z-transform Z twist Zulu time Zuni Zurich number Z variometer Zwicky dark matter Zwischengebirge zwitterion Zygaenidae Zygaenoidea Zyglo method Zygnemataceae zygodactyl zygomatic bone zygomorphic Zygomycetes zygopophysis Zygoptera

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。