释义 |
the fault fracture zones 基本例句 破碎带 The prerequisite of the application of powerful polarization method in gold prospecting is the presence of gold-bearing sulphide and fracture zone.大功率激电法找金应用前提是含金硫化物及含矿破碎带的存在。 When excavation is performed through geologically fractural zones or other points where the roof and slab appear fractural, supportive columns shall be strengthened.采掘作业通过地质破碎带或者其他顶帮破碎地点时,应当加强支护。 |