词汇	From the Time of Loading
释义	From the Time of Loading 从装载时起
随便看	preparative photosynthesis preparative plate number preparative posture preparative predicate object verb Preparative procedure preparative process preparative radiation chemistry Preparative regimen preparatives preparative scale preparative scale chromatography preparative scale chroma tography preparative-scale gas chromatography preparative scale plate number preparative scale sample preparative separation preparative stage preparative starch block paper electrophoresis preparative technique preparative technology preparative thin layer chromatography preparative thin-layer chromatography Preparative TLC preparative treatment preparative ultracentrifugation