单词	防油器
释义	同护油圈--防油器
随便看	nrc--network reliability coordinator nrc--network routing center nrc (nuclear regulatory commission) nrdc nrdc (natural resources defence council) nrdf nrdf--nonrecursive digital filter nrdl nre nreca n. recurrens n-region nrem nrem sleep nre--nonrecurring engineering n repeated trials *n. retroauricularis n. retroauricularis nrhx nrhx (non-regenerative heat exchanger) nri nric nric (nuclear research information center) n. ridge n. ridge--neural fold