“sinking headframe”的概念、定义、翻译、参考文献-科学参考

单词	sinking headframe
释义	sinking headframe Encyclopedia 工学凿井设施释 sinking headframe凿井井架凿井时，用于支承提升天轮、悬吊天轮和架设卸渣设施等的结构物。又称掘进井架。
随便看	equivalence preserving mapping equivalence principle equivalence principle of statistical average equivalence problem equivalence property equivalence ratio equivalence ratio versus temperature map equivalence relation equivalence sign equivalence test equivalence theorem equivalence trial equivalence trials equivalency equivalency of concentration equivalency of current-carrying coils and magnetic dipoles equivalent equivalent affinity equivalent affinity; equiaffine transformation equivalent air layer equivalent algorithm equivalent antenna equivalent approach equivalent arc equivalent background illumination

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