英语词汇“reaction ring”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	reaction ring
释义	reaction ring noun : a heavy internal cast-iron flange set in cement and used to resist the thrust of the jacks when sinking a shaft by a process in which a continuous casing is forced downward as the excavation progresses
随便看	h hour hi HI hi hiatal hiatus hib hiba hiba arborvitae hibachi hibbertia hibernacle hibernaculum hibernal hibernant hibernate hibernating hibernating gland hibernation hibernator hibernian hibernian hibernian green hibernianism hibernicism

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