“启闭机”的概念、定义、翻译、参考文献-科学参考

单词	启闭机
释义	启闭机 Encyclopedia 工学〔水电站金属结构〕释 hoist启闭机水工建筑物中，专门用以操作闸门及拦污栅，达到启闭目的的起重机械设备。工学〔升降机〕释 hoist启闭机通过升降或开闭闸门的动作来实现金属闸门开启与关闭的专用设备。
随便看	rare earth element rare-earth element rare earth element geochemistry rare earth extraction chromatography separation and purification rare earth fluoride rare earth fluoride calcium thermal reduction rare earth fuzzy extraction rare earth hard magnetic materials rare earth helate rare earth hydroxide rare earth intermediate alloy-vacuum distillation rare earth iodide rare earth ion exchange chromatography separation rare earth ion exchange separation rare-earth-iron garnet rare earth laser material rare earth laser materials rare-earth laser materials rare earth liquid-membrane extraction separation and enrichment rare earth magnetic materials rare earth metal rare-earth metal rare-earth metal catalyst rare earth metal ore deposit rare earth metal refining

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。