单词	cocoon layer
释义	cocoon layer 茧层
随便看	mine geological environ-ment survey mine geological exploration mine geological hazard mine geological hazard assessment mine geological hazards mine geological radar mine geological work minegeologic disaster mine geologic hazard mine geologic structure Mine geology mine geology and survey information mine geopark mine geophysical prospecting mine geophysical prospecting technique Minegishi Minegishi Iwao Minego mine goaf mine goaf treatment mine goal Mine Goal Collapse mine gold minegoto mine governance in Yunnan