pillar of coal
煤柱
返回 19 条匹配短语对
deep mining of coal pillar
深部开采
Size of coal pillar
煤柱尺寸
stability of coal pillar
煤柱稳定性
stress of coal pillar distribution
煤柱应力分布
stressmeter of coal pillar
煤柱应力计
two kinds of coal pillar
两类煤柱
Width of Coal Pillar
煤柱宽度
Coal pillar for protection of buildings
保护煤柱
coal pillar for protection of builings
保护煤柱
abandoned coal pillar
走向煤柱
anterior pillar of fauces
舌颌弧
belt coal pillar
条带煤柱
boundary coal-pillar
边角煤
支持向量机(support vector machine,SVM)
COAL PILLAR
谋柱
煤柱
Coal pillar design
急倾斜煤层
coal pillar for sand proof
防砂煤柱
coal pillar for water preserving
保水煤柱
通道
Coal Pillar Recovery
回收煤柱
coal pillar scale
煤柱尺寸
最近更新
混凝土受压构件MARK BUTTONHOLEoil(gas) transportation pipeline network老年性骨质疏松细菌多醣可调控起伏因素stent placementIPSec security