“hinged bar”的概念、定义、翻译、参考文献-科学参考

单词	hinged bar
释义	hinged bar [`hinjd ¦bär] ^{MINING ENGINEERING} A steel extension bar placed in contact with the mine roof perpendicular to the longwall face and supported by yielding steel props. Also known as link bar.
随便看	mean solar second mean solar time mean specific heat mean spherical intensity mean spring range mean spring rise mean square mean-square deviation mean-square error mean-square-error criterion mean-square velocity mean stress mean sun mean temperature mean temperature difference mean terms Meantes mean tide mean tide level mean time optic optical optical aberration optical achromatism optical activity

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