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

单词	mine ventilation methods
释义	mine ventilation methods Encyclopedia 工学矿井通风系统释 mine ventilation methods矿井通风方法为使风流按矿井通风需要而流动所采取的方法。
随便看	doubly irreducible element doubly linked list doubly-magic nucleus doubly magic square doubly noncentral F-distribution doubly nonnegative matrix doubly ordered set doubly periodic function doubly plus operator doubly projective variety doubly resonant oscillator doubly ruled surface doubly salient motor doubly salient motor with electric excitation doubly stochastic matrix doubly stochastic Poisson process doubly straight line doubly transitive group doubly truncated Witt graph doubly well-ordered set doubtful region Doucai Chicken Cup Dou Chaorong Doudafu Hall Douga

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