“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	general plan of controlling sand in ancient China general plan of cultural relics protection and tourism development in Turpan area of Xinjiang general plan of harnessing river in ancient China general plan of the capital political region (Nanjing) general pluripotential theory general point general polynomial general position general positional game general position mapping general practice general practitioner general practitioner standardized training general precession general precession in longitude general prevention general principle general principle and method on structural design General Principle for Using of Food Additives general principle of choice general principle of elastic mechanical problem general principle of relativity General Principle on the labeling of prepackaged food General Principles for Guidance in Devising International Nonproprietary Names for Pharmaceutical Substances General Principles of Civil Law of the People's Republic of China

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