词汇	ore-dressing practice
释义	ore-dressing practice 选矿作业
随便看	fee file fee for fee for acknowledgement fee for acknowledgement of receipt fee for acknowledgment of receipt fee for analysis certificate fee for certificate of origin fee for claiming unclaimed benefit entitlements fee for confirmation Fee for Delayed Declaration fee for education Fee for evaluating environmental impact fee for fire fighting equipment fee forlabor service fee for labor service fee for land use fee for natural resources fee for permit fee for plan approval fee for possession and use fee for possession and use of fee for preventing white ant fee for quality certificate fee for remittance fee for removal of houses