top slicing method 下向分层采矿法
top slicing system 下向分层采矿法
radial top-slicing 下向分层崩落采矿法
top-slicing mining 下向分层崩落采矿法
top slicing by rooms 下向水平分层崩落矿房法
pre mining top slicing 预采顶分层
pillars in top slicing 过上分层煤柱
top slicing caving method 分层崩落法
top-slicing system of sublevel caving 水平分段放顶煤采煤法
N the act or process of using a specific part of a sum of money for a special purpose, such as assessing a taxable gain 顶切法(由于特殊原因而只使用一笔钱的一部分，如评估所得税)
Generally top slicing is a mining method of high cost, low productivity, and large consumption of timber as compared with other methods for mining metalliferous ore bodies.
对于金属矿的开采，一般认为分层崩落法与其他采矿法相比，是一种成本高、产量低、木材消耗量大的采矿方法。
For cutting and slicing, hold the knife with your thumb and index finger gripping the top of the blade, and wrap your other fingers around the handle.
切割或切片时用拇指和食指捏住刀刃上方，其他手指顺势握住刀柄。
The rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.
运用相似材料模拟和数值计算的方法，对水平分段和倾斜分层放顶煤开采引起的围岩移动特征进行了比较。
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