英语词汇“sprag”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sprag
释义	sprag 音标[spr?g] 汉语翻译 n. 制轮木【机】插模钉英语解释：名词 sprag: a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline a wooden prop used to support the roof of a mine 同义词：pitprop
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sprag