英语词汇“hallinger shield”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	hallinger shield
释义	Hallinger shield Hallinger shield [′hal·in·jər ‚shēld] (mining engineering) A tunneling shield valuable for working in very soft ground; incorporates a mechanical excavator and does not entail the use of timbering to protect the miners.
随便看	watched kettles never boil watched like a hawk watched me like a hawk watched me with an eagle eye watched mouth watched my dust watched my mouth watched my tongue watched one like a hawk watched our mouth watched our mouths watched our tongue watched our tongues watched over watched pot never boils watched pot never boils, a watched somebody like a hawk watched someone like a hawk watched something like a hawk watched the clock watched their mouth watched their mouths watched their tongue watched their tongues watched them like a hawk

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Hallinger shield