recovvt.恢复(回收；补偿)RECabbr.录制（=record)receiving balance接收平衡recycling process回收利用receiving country接收国,接待国recuperator tower同流换热塔recombinant sWain重组株rectilinear orbit直线轨道recirculated iron回炉铁recrating graphic图象重构reciprocity force紧箍力Rectified DC load整流型负载