“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	bradyon bradyseism bradyzoite Bragg Bragg and his son Bragg angle Bragg Brentano diffractometer Bragg-Brentano diffractometer Bragg cell spectrometer Bragg condition Bragg crater Bragg crystal spectrometer Bragg curve Bragg diffraction Bragg -effect hologram Bragg [effect] hologram Bragg effect hologram Bragg equation Bragg glass Bragg grating Bragg hologram Bragg law Bragg peak Bragg plane Bragg reflection

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