“bench blasting”的概念、定义、翻译、参考文献-科学参考

单词	bench blasting
释义	bench blasting [`bench `blas·tiŋ] ^{MINING ENGINEERING} A mining system used either underground or in surface pits whereby a thick ore or waste zone is removed by blasting a series of successive horizontal layers called benches.
随便看	aardwolf Aaron's rod a axis ab- ABA abac abaca abactinal abacus abaft abalienation abalone abalyn abambulacral abampere abampere centimeter squared abampere per square centimeter abamurus A band abandon abandoned channel abandoned mine abandoned workings abandonment characteristic function

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