“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	method of matching method of mathematical physics method of mathematical statistics method of maximum likelihood method of mechanical quadrature method of minimal change method of minimum square method of moment distribution method of moments method of moments estimation method of moments, MOM method of moral education method of moral evaluation method of moral practice method of moving frames method of multiple scales method of multipliers method of no-method method of nonstandard analysis method of nuclear recoil method of oblique projections method of observation method of opposability method of optimal coefficients method of optimal elimination

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。