1) indestructibly
[英][,indi'strʌktəbli] [美][,ɪndɪ'strʌktəbḷɪ]
无法破坏地
2) earthquake without damage records
无破坏记载地震
5) grassland destruction
草地破坏
6) ground pressure breaking
地压破坏
1.
According to the treating practice of ground pressure breaking in 690 level 5# orebody in Tongkuangyu Mine, the producing reasons and developing laws are summarized, some prevention and treatment methods are put forward, which provides reference for natural stoping production in ground pressure breaking treatment.
根据铜矿峪矿自然崩落法采区690中段5#矿体地压破坏治理实践,总结出地压破坏的产生原因及发展规律,提出一些预防及治理的办法,可为地压破坏治理及自然崩落法的生产应用提供参考。
补充资料：背书的记载事项
背书的记载事项:有关事项、背书人签章、被背书人名称。
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