Huang Q X, Qian M G, Shi P W.Structural analysis of main roof stability during periodic weighting in longwall face[J].Journal of China Coal Society, 1999,24(6): 581-585.
英
美
释义
[6]黄庆享;钱鸣高;石平五.;浅埋煤层采场老顶周期来压的结构分析[J]
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载