“ventilation shaft”的概念、定义、翻译、参考文献-科学参考

单词	ventilation shaft
释义	ventilation shaft Encyclopedia 工学竖井释 ventilation shaft；air shaft通风井用于地下矿山新鲜风流进入井下或污风排出的井筒。保证将足够数量的新鲜空气连续供给井下各采掘作业面，并将污浊空气从矿井中排出，防止矿井内大气污染，创造安全舒适的井下作业环境。简称风井。
随便看	shipboard oil pollution emergency equipment shipborne marine gravity survey shipborne marine magnetic survey shipborne navigation radar shipbuilding equipment shipbuilding industry ship buoyancy ship carpet ship characteristics ship discharge monitoring system ship domain ship dynamic positioning ship dynamic positioning control system ship dynamic positioning system ship dynamic positioning system classification ship dynamic positioning system positioning ability ship electric propulsion ship emission control areas ship emission inventory ship equipment ship garbage disposal system ship handling Ship in Autumn River by Xu Daoning Shi Ping Shi Pingmei

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。