Regh雷格regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regulator drive调速传动regio orbitalis眶区regulator curve电压调整曲线regassing point充气站regrinding mill再磨机regulating mass调整块regulating lock节制闸regulating cell调节电池,附加电池registration ID注册识别证regulatory sign管制标志