“freezing shaft-sinking method”的概念、定义、翻译、参考文献-科学参考

单词	freezing shaft-sinking method
释义	freezing shaft-sinking method Encyclopedia 工学特殊凿井法释 freezing shaft-sinking method冻结凿井法在开凿井筒前，将井筒周围含水层用人工制冷方法冻结成封闭的圆筒形冻结壁，以抵抗地压并隔绝地下水与井筒的联系，在冻结壁的保护下进行掘砌作业的特殊凿井法。
随便看	nilpotent automaton nilpotent class nilpotent component nilpotent cone nilpotent derivation nilpotent element nilpotent endomorphism nilpotent group nilpotent group of class k nilpotent ideal nilpotent index nilpotent Lie algebra nilpotent Lie group nilpotent Lie group representation nilpotent linear operator nilpotent linear transformation nilpotent matrix nilpotent number nilpotent operator nilpotent orbit nilpotent part nilpotent product nilpotent radical nilpotent ring nilpotent ring (algebra)

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