单词	piano whine
释义	piano whine 钢琴呜呜声
随便看	Powder-Compact Foaming process powder compacting powder compacting press powder compaction Powder compaction process powder compacts Powder compacts of precious metal powder composite plating powder compound powder compressibility powder compressing machine powder concentrate powder concentration powder concentrator powder consolidation powder constituent powder consumption powder contact angle powder content powder continuous supplying machine powder continuous vulcanization powder conveying system powder core powdercore composite powder core composite