2) slaty limestone
板状石灰石
3) limestone roof
石灰岩顶板
1.
Study on the collapsing characteristic of the complex limestone roof
复合石灰岩顶板垮落特性研究
2.
In order to research support technology of gob-side entry retaining under limestone roof,according to the characters of large flap top and slow subsidence for limestone roof,the paper established the roof cutting mechanical model of gob-side entry retaining and designed quantitatively the support parameters for untied roof cutting of anchor and single prop.
为深入研究石灰岩顶板条件下沿空留巷技术,针对石灰岩顶板具有悬顶大和缓慢下沉的特点,建立了沿空留巷切顶力学模型,定量设计了锚索与单体支柱联合切顶支护参数。
4) gypsum plaster board
石膏灰泥板
5) asbestos asbestos board
石棉洋灰板
6) gypsum
[英]['dʒɪpsəm] [美]['dʒɪpsəm]
灰泥板，灰胶纸柏板，石膏
补充资料：对兽纹透雕石板
对兽纹透雕石板 战国浮雕石板中的珍品。1974年河北平山县战国中山王墓出土。上为两兽纹，作对称排列，下为两螭纹，作蟠绕状。中一十字形，空处镂空。雕刻精细。高11厘米、宽15厘米。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条