The roof shape optimization is one of the important means to control the ground pressure. A long strip of exposed roof surface shape can improve productivity of the stope and ensure mining safety.
优化采场顶板暴露面积形状是控制地压的重要手段之一，采用长条形顶板暴露面，能提高采场生产能力和保证回采的安全性。
Choosing reasonable mining methods can ensure safety in mining and reduce the earth subsidence caused by mining.
合理选择采煤方法，可进一步确保安全开采，减轻因采煤造成的地表沉降。
To ensure mining safety, in-situ stress measurement in Linglong gold mine is carried out in two periods.
介绍玲珑金矿主矿区深部和浅部两期地应力测量的过程和结果。
The wave heave compensation system of the deep sea mining unit is one of the essential equipments to ensure the safety of the deep sea mining operations.
深海采矿装置波浪升沉补偿系统是保证深海采矿作业安全进行必不可少的装备之一。
The wave heave compensation system of the deep sea mining unit is one of the essential equipments to ensure the safety of the deep sea mining operations.
深海采矿装置波浪升沉补偿系统是保证深海采矿作业安全进行必不可少的装备之一。
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