“head up”的概念、定义、翻译、参考文献-科学参考

单词	head up
释义	head up [`hed ´ǝp] ^ENGINEERING To tighten bolts on a hatch cover or access hole plate to prevent leakage from or into an operating vessel.
随便看	fettling knife fetus Feulgen reaction fever Feyliniidae Feynman diagram Feynman integral Feynman propagator Feynman's rules Feynman's superfluidity theory F factor F format FG achromatism fiard fiber fiberboard fiber bundle fiber-composite material fiber crops fiber diagram fiber flax fiber grease fiber gyro fiberizer fiber metal

科学参考收录了103327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。