Test and Study of Pressure-relief Supporting Technology for Surrounding Rock Wriggoling in Driving the Roadway along Goaf

英美

释义

- 沿空送巷围岩蠕进卸压支护的试验研究

把海词放在桌面上，查词最方便

触屏版| 电脑版

©2003 - 2024 海词词典(Dict.cn)

立即下载