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

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	lauroyl laurus laurustine laurustinus laurvikite lauryl lauryl lauryl alcohol lausanne lausenite laut lautarite lauter lauter lauter tub lauter tun lautite lautverschiebung lav LAV lav lava lava lavabo lava cone

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