“manual block”的概念、定义、翻译、参考文献-科学参考

单词	manual block
释义	manual block Encyclopedia 工学铁路区间闭塞释 manual block人工闭塞人工确认相邻两铁路车站间区间线路空闲、办理和解除闭塞，且在值班员与司机间人工交接行车凭证的闭塞方式。
随便看	solution of an equation solution of an inequality solution of a system of equations solution of a triangle solution of generalized power series solution of harmonic oscillator by ladder operators solution of international tax disputes solution of power series solution of the Pell equation solution of the Pell equation in compact output solution of two constituents solution operator solution phase combinatorial synthesis solution polycondensation solution polymerization solution polymerized butadiene styrene rubber solution polymerized butadiene styrene rubber (SSBR) solution polymerized styrene-butadiene rubber solution pump solutions solutions engineering solution set solution set continuity solution space solution spectrum

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