impacted incisor [經(jīng)濟學]阻生切牙impacted fracture impacted (adj.) impacted adj. 壓緊的；結實的；嵌入的；（人口）稠密的 v. 裝緊；擠滿（impact的過去分詞）impact-toughness tester [經(jīng)濟學]抨擊襲擊韌性試驗機impact-resistance plastics [經(jīng)濟學]抗沖擊塑料impact wrench 擰緊扳手，套筒板手；沖頭impact wreckage 碰撞破壞impact vibration damper [交通運輸工程]沖擊振動減振器impact toughness [力] 沖擊韌性impact tester [機] 沖擊試驗機；撞撃試驗機；沖輝驗機impact test of haz [機械工程]熱影響區(qū)沖擊試驗impact test [力][機] 沖擊試驗；沖輝驗impact strength test [機械工程]沖擊強度試驗impact strength [力] 沖擊強度impact statement 影響報表；影響的報告impact serial printer [經(jīng)濟學]擊打式串行打印機impact ripper [能源科學技術]沖喚挑頂機impact resistance value 耐沖擊，耐沖擊值impact resistance of concrete [土木建筑工程]混凝土抗沖擊