“dual-gravity valve”的概念、定义、翻译、参考文献-科学参考

单词	dual-gravity valve
释义	dual-gravity valve 双比重阀
随便看	crosshead arm crosshead bottom shoe crosshead cotter crosshead end crosshead engine crosshead gib crosshead guide bar cross heading crosshead link crosshead pin crosshead rivet crosshead shoe cross head shoes crosshead side shoe crosshead top shoe crosshead wrist pin cross hearing cross hedge cross hedging cross-hole testing cross hybrid cross-immunity cross immunity cross-impact analysis cross impact analysis

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。