英语词汇pit-prop的意思、用法及释义-英汉双解词典

单词	pit-prop
释义	pit-prop n prop used to support the roof of a part of a coal-mine from which coal has been removed （煤矿的）坑木, 支柱.
随便看	trick trickery trickily trickiness trickle trickle charger trickster tricky tricolour tricycle trident tried triennial triennially trier trifle trifler trifling trigger trigger-happy trigonometric trigonometrically trigonometry trike trilateral

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