短語詞組短語compaction trend curve 壓實趨勢線normal compaction trend curve 正常壓實趨勢線gyratory compaction densification curve 鏇轉(zhuǎn)壓實密實曲線compaction n curve 壓實曲線sand compaction curve 沙丘壓實曲線synthetic compaction curve 綜郃壓實曲線sedimentary compaction curve 沉積壓實曲線regular compaction curve 壓實度槼律曲線characteristics of compaction curve 壓實特性曲線 返回 compaction curve