英语词汇“tunnel system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	tunnel system
释义	tunnel system tunnel system [′tən·əl ‚sis·təm] (mining engineering) A method of mining in which tunnels or drifts are extended at regular intervals from the floor of the pit into the ore body.
随便看	ape file format ape fissure apefz apeg apega apegbc apegga apegm apegn apegnb a peg on which to hang a peg on which to hang (something) a peg on which to hang something a pegot apegs a peg to hang a matter on a peg to hang it on a peg to hang on a peg to hang (something) on a peg to hang something on a peg too low apeh apeha ape hand ape hangers

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