英语词汇headway per drill bit是什么意思，headway per drill bit的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	headway per drill bit
释义	headway per drill bit　【经】 (每一)钻头进尺
随便看	buffering buffering buffering buffering agent buffering attribute buffering control buffering effect buffering exchange buffering gene buffering memory buffering option buffering power buffering supporting roller buffering technique BUFFERS buffers buffers buffers buffet buffet buffet buffet buffet 1 buffet 2 buffet boundary

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