“液压支架”的概念、定义、翻译、参考文献-科学参考

单词	液压支架
释义	液压支架 Encyclopedia 工学煤岩支护机械释 hydraulic support液压支架以液压为动力实现升降、前移等运动，既能支撑又能维护顶板的支护设备。是采煤工作面机械化的主要设备。
随便看	principal set principal sheet principal solution principal space principal spectrum principal sphere principal sphere of curvature principal square root principals' research leadership principal state model principal state of polarization principal's teaching leadership principal strain principal subgroup principal subgroup series principal submatrix principal submodule principal subspace principal surface principal symbol principal symbol sequence principal system principal tangent principal tangent bundle principal telescope

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。