“helmet”的概念、定义、翻译、参考文献-科学参考

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。

单词	helmet
释义	helmet 钢盔盔面罩机罩安全帽
随便看	universal dental forceps universal design theory universal diagnostic x-ray apparatus universal dial universal die set universal digital computer universal digital recording machine universal dividers universal domain universal donor universal drafting machine universal drawbar universal drier universal drill jig universal drive shaft universal drive shaft guard universal driving shaft universal ear insert universal eczema universal effective set universal electric meter universal electron microscope universal engineer tractor universal engine stand universal enveloping algebra