英语词汇“expanding pulley”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	expanding pulley
释义	expanding pulley noun : a pulley whose diameter can be varied
随便看	pentabasic pentacarbonyl pentacarbonyl pentachloride pentachloride pentachlorophenate pentachlorophenol counting counting cell counting chamber counting frame counting glass countinghouse counting number counting-out rhyme counting rail counting room counting scales counting tube countless count noses count noun count off countor countour

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