“roof strata collapse of working face”的概念、定义、翻译、参考文献-科学参考

单词	roof strata collapse of working face
释义	roof strata collapse of working face Encyclopedia 工学矿井地压灾害释 roof strata collapse of working face采场冒顶采场或巷道等地下空间上部岩体或矿体与原始岩层或矿层脱离，并在重力作用下垮塌、塌落、陷落的过程或现象。简称冒顶。是地下矿山常发、多发灾害之一。
随便看	land use control system land use conveyance land use degree land-use density land used for industry and mining storage purposes land used for public manegement and service land used for special purposes land-use division land use engineering land use information land use intensity land use management land use map land-use model land use pattern of single center city land use planning land use planning system Land Use Policy land use ratio land use regulation land use rights land use rights for construction land use scale land use standard land use status

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。