“air tight test”的概念、定义、翻译、参考文献-科学参考

单词	air tight test
释义	air tight test Encyclopedia 工学液体火箭发动机试验释 air tight test气密性试验考核发动机及其部件依据规定要求装配后，结构内、外密封性能的试验。
随便看	horizontal transit circle horizontal transit instrument horizontal vector horizontal-vertical illusion horizontal well completion horizontal well open-hole gravel pack horizontal well penetrating-layer fracturing horizontal well perforated casing completion horizontal well perforation horizontal wood drilling machine safety horizontal working areas horizontal zenith telescope horizontal zonality of vegetation in China horizon tracking Hormander Hormander operator Hormander's sum of squares hormonal contraception hormonal feedback control of the hypothalamus-adenohypophysis-target gland axis hormonal regulation of ovarian function hormonal regulation of plant senescence hormone hormone and behavior hormone and factor hormone hypersensitivity syndrome

科学参考收录了854744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。