单词	光频率标
释义	光频率标 optical frequency standard
随便看	spraying anesthesia spraying angle Spraying ceramic glaze spraying-ceramic seal ring spraying chamber spraying cleaner spraying spraying agent spraying alloy molybdenum powder spraying altitude Spraying Amount Spraying anchorage Spraying anchor protection supporting Spraying and dry granulator spraying and dusting equipment spraying and dynamic flowing bed spraying and fusing spraying and irrigating technology spraying apparatus spraying apparatus designed for fibre fibres SPRAYING apparatus for animals or plants spraying apparatus for ash pah spraying apparatus for ash pan spraying apparatus incorporating heating means spraying apparatus incorporating means for arc