“coal and rock support machinery”的概念、定义、翻译、参考文献-科学参考

单词	coal and rock support machinery
释义	coal and rock support machinery Encyclopedia 工学煤岩支护机械释 coal and rock support machinery煤岩支护机械支撑和维护工作面空顶区顶板，为采煤创造安全作业空间的设备。
随便看	CaMK camloy cam mechanism cammel hair camouflage and stealth camouflage net camouflage protection camouflage screen camouflage technology of protection engineering camouflage uniform camouflaging composites camouflet cAMP Campagna Campaign of Amateur Drama Campaigns to Suppress Counter-revolutionaries campaign to promote domestic products Campanato space campaniform campanulate corolla Campanus Campanus of Novara Campanus of Novara (？—1296) Campbell Campbell crater

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