英语词汇“pit prop”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	pit prop
释义	pit prop noun A large wooden beam used to support the roof of a coal mine.It features pit props for roof beams, bricks from wash houses, a massive lump of coal for an alter and a half winding wheel on a wall.... The use of wood in the foundries and for pit props in the mines must have been considerable. Its cargo of pit props - used to hold up mine shafts - went into the sea and its crew overboard.
随便看	misnomered misnote misnumber misnurture miso misobservation misobserve misocapnic misogamic misogamist misogamous misogamy misogynism misogynist misogynistic misogynistical misogynous misogyny misologist misology misomusist misoneism misoneist misoneistic misonidazole

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