英语词汇pilot tunnel怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pilot tunnel
释义	pilot tunnel 【采矿】导洞
随便看	and some and so on and so say all of us and so say I and still ... and stuff and stuff ...and such and such and such like and that and that's flat and that sort of thing and that's that and the devil knows what and the devil knows what who and the devil knows what 等 and the devil knows who and them and then and then some and the rest and the rest of it and things Andvari, Andvare, Andvar

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