常見(jiàn)例句雙語(yǔ)例句The dicing kerfs have been reduced to below 20 um in many cases, with no chipping on either front or backside.在很多情況下，刻劃寬度可以小到20um，上下都沒(méi)有碎屑。blog.sina.com.cn 返回 backside chipping