“约翰逊阀”的概念、定义、翻译、参考文献-科学参考

单词	约翰逊阀
释义	约翰逊阀 Johnson valve(高落差水轮机阀)
随便看	spiral cleaner spiral cleavage spiral cloud spiral coal unloader spiral coil spiral column spiral concentrator spiral cone spiral cone seed cleaner spiral continuous slab spiral convergence spiral conveyer spiral crest spiral crystal spiral curve spiral(curve) spiral(-curved) tooth spiral cut end mill spiral cut milling cutter spiral cut reamer spiral cutter-head spiral cutting spiral delay line spiral diposition spiral disease

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。