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undercutting level
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undercutting level
Encyclopedia
工学
开拓工程
释
undercutting level
拉底水平
为地下矿山回采工作开辟底部自由面,由拉底巷道向两侧扩帮,将矿房底面拉开至足够大,补充爆破空间或者为应力作用下矿石自然崩落创造条件而进行开挖的作业水平。
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amino acid transporter
aminoacyl phosphatidylglycerol
aminoacyl-tRNA
aminoacyl tRNA ligase
aminoacyl tRNA synthetase
aminoacyl-tRNA synthetase
amino and nitrohydrocarbon compound poisoning
amino bonded phase
amino-bonded phase
aminocoumarin
amino cyclitol antibiotic
amino cyclitol autibiotic
amino cyclitol autibiotic; amlodipine
aminoglycoside
aminoglycosides
aminohydroxylation
aminohydroxylation; oxyamination
aminolysis
aminomercuration
aminomethylation
aminomethylbenzoic acid
amino-modification
amino moulding plastics
aminomutase
aminopeptidase
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