短语词组短語riving knife 分板楔;分料刀;劈木刀frost riving 凍裂;凍裂作用riving commodities 逐鹿商品riving wheel 主動輪riving firms 逐鹿公司riving circuit 敺動電路single riving 單根粗紗喂入Riving force 機械敺動方式defensived riving 防守駕駛 返回 riving