“main haulage level”的概念、定义、翻译、参考文献-科学参考

单词	main haulage level
释义	main haulage level Encyclopedia 工学开拓工程释 main haulage level集中运输水平在地下矿山生产中，将多个中段或分段采出的矿石集中搬运至破碎站、竖井或斜坡道的输出作业水平。又称主要运输水平。
随便看	positive contribution Monte Carlo method positive control positive correlation positive crystal positive current positive curvature positive curvature manifold positive cycle positive definite positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product

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