The spiral cutting grinder has the beneficial effects that the motor has small operational energy consumption and the cut material has uniform granularity.
其效果是电机的工作能耗小，切割后产生的物料粒度均匀。
2
This downward spiral may have been exacerbated by Europe's efforts to cut the value of Greek sovereign debt without triggering a payout on credit-default-swap contracts.
欧洲尝试在不必为信贷违约掉期合同埋单的情况下削减希腊主权债务，这更加剧了下行螺旋。
3
Today, more than 500 000 are afflicted by yaws, which is caused by a spiral bacteria that penetrates through a cut in the skin resulting in bumps that burst, ulcerate and spread over the body.