单词	sacral segments
释义	sacral segments 骶段1-5
随便看	recovery protein recovery protocol recovery pump recovery, purification recovery purification and regeneration system recovery quotient recovery quotientRQ recovery response pending recovery restoration recovery.reuse.&recycling recovery risk recovery robot recovery rod recovery-rollback functionality recovery roller recovery rate recovery rate of iron recovery rate of light hydrocarbon recovery rate of phosphorus recovery rate of resources recovery rates recovery ration recovery ratio of magnetic medium recovery ratio of protein Recovery ratio of used oil