mining fissure zone
常見例句
- This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.
綜合分析了開采深度、煤層傾角、煤層開采厚度、工作面斜長等地質(zhì)采礦條件對底板采動導(dǎo)水破壞帶深度的影響。 - Identifying the basic properties of mining fissure elliptic paraboloid zone and gas delivery law governing goaf represents an effective measure to control gas.
研究采動裂隙橢拋帶的基本性質(zhì)及其采空區(qū)瓦斯運(yùn)移的規(guī)律，可以采取有效措施進(jìn)行瓦斯治理。 返回 mining fissure zone