“screwed socket for union”的概念、定义、翻译、参考文献-科学参考

单词	screwed socket for union
释义	screwed socket for union 螺旋承窝
随便看	footling footling presentation foot mark foot masher foot mat foot mattress foot-mounted motor footnote foot of the mountain foot operated door holder foot operated potato cutter foot-operated soap dispenser foot operating lathe footpad inoculation footpad suction unit foot paring footpath foot pedal hanger foot (pedal) switch foot-pedal threshing machine foot pin foot plate foot press foot print footprint

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。