forced block caving
强制分段崩落开采
slicing and caving.
分层崩落开采
longwall with caving
崩落式长壁开采
block caving method.
自然崩落法
induced block caving
阶段人工崩落开采法
panel caving method.
壁式崩落法
stope caving method.
崩落采矿法
caving power support.
放顶煤支架
wall caving prevention
巷壁崩落的预防
height of caving zone.
垮落带高度
the caving zone height.
冒落带高度
High bench caving method
高台阶崩落法
Natural caving property.
自然崩落性
Roof coal caving mining.
放顶煤回采
forced block caving method
阶段强制崩落法
simple caving mining face.
简放工作面
Artificially induced caving
人工诱导崩落
top coal caving in roadways
巷道放顶煤法
longwall working with caving
顶板垮落长壁开采法
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