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(zhǎng)等地質(zhì)采礦條件對(duì)底板采動(dòng)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(dòng)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。