英语词汇“positive derail”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	positive derail
释义	positive derail positive derail [′päz·əd·iv di′rāl] (mining engineering) A device installed in or on a mine track to derail runaway cars or trips.
随便看	rvem rven rvep rverp rves rvesp rvesv rvesvi rvet rvf rvfa rvfc rvfcw rvfd produce race producer-archive ingest methodology abstract standard producer-archive interface standard producer archive workflow network producer board project team producer business unit producer countries producer designator digraph producer (disambiguation) producer (film) producer gas

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