“gas drainage efficiency”的概念、定义、翻译、参考文献-科学参考

单词	gas drainage efficiency
释义	gas drainage efficiency Encyclopedia 工学瓦斯抽采释 gas drainage efficiency瓦斯抽采效率在一定投入和技术条件下，有效使用瓦斯抽采系统，满足抽采达标要求的技术指标的评价方式。
随便看	commutative operator ring commutative operators commutative ordinal numbers commutative product commutative property commutative relation between differential operation and variational operation commutative ring commutative ringed space commutative scheme commutative semigroup commutative subgroup commutative subspace lattice commutative superalgebra commutative valuation commutativity commutativity condition commutativity relation commutator commutator algebra commutator calculus commutator closed group commutator factor group commutator group commutator ideal commutator identity

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