英语词汇“shaft pillar extraction”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	shaft pillar extraction
释义	shaft pillar extraction 井筒煤柱开采
随便看	heat efficiency heat-efficiency heat efficiency of kiln heat efficiency of the dryer system Heat efficiency rised heat efficient heat effieiency heat effluent heat egress He ate himself ill He ate his breakfast quickly He ate his fill He ate it all He ate it himself heat elasto-plastic FEM heat electric couple heat-electricity cogenemtion Heat-ElectricityCogeneration heat-electricity cogeneration Heat-Electricity Cogeneration heat electricity conversion heat-electricity-cool triple cogeneration heat-electricity-cool triplex co-generation heat-electricity cost allocation heat-electricity coupling