“人工闭塞”的概念、定义、翻译、参考文献-科学参考

单词	人工闭塞
释义	人工闭塞 Encyclopedia 工学铁路区间闭塞释 manual block人工闭塞人工确认相邻两铁路车站间区间线路空闲、办理和解除闭塞，且在值班员与司机间人工交接行车凭证的闭塞方式。
随便看	Pottery & Porcelain of China pottery pot Pottery Records of Jingdezhen Pottery Scripts of QIin and Han Dynasty pottery sculptures in Tianhuishan Pottery Sculptures of Qin and Han Dynasties pottery symbols Pottery tomb Guardians of the Eastern Wei Dynastythe and Northern Qi Dynasty pottery with stamped decorations pottery worker＇s pneumoconiosis potter’s wheel POT test potting Potts model Potwar Plateau pot with loop handle pouch pouched animals pouched wave Pouch of Pearls poulaine poultry poultry cannibalism poultry excrement poultry house equipment

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。