短语词组短语riving knife 分板楔;分料刀;劈木刀frost riving 冻裂;冻裂作用riving commodities 逐鹿商品riving wheel 主动轮riving firms 逐鹿公司riving circuit 驱动电路single riving 单根粗纱喂入Riving force 机械驱动方式defensived riving 防守驾驶 返回 riving