“first supporting”的概念、定义、翻译、参考文献-科学参考

单词	first supporting
释义	first supporting Encyclopedia 工学巷道支护释 first supporting一次支护在软岩（土）层、较破碎的不稳定岩层或高地应力地层中掘进巷道与硐室，为保障施工安全并维护井巷的长期稳定，开挖后初次进行的支护。又称初次支护。
随便看	order of a function order of a group order of a group element order of a Latin square order of a matrix order of a meromorphic function order of a modulus of continuity order of an algebraic curve order of an algebraic equation order of an algebraic surface order of an algebraic system order of an element order of a net order of an infinitesimal order of an infinity order of an operator order of a number order of a numerical method order of a permutation order of a plane order of a point order of a pole order of a polynomial order of a power series order of approximation

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