短語詞組短語compaction -pile method 擠密樁法dynamic compaction gravel pile 強夯碎石樁bored compaction pedestal pile 擠擴支磐樁compaction gravel pile 擠密碎石樁compaction sand pile 擠密砂樁soil compaction during pile driving 沉樁擠土vibro -compaction granular pile 振動擠密砂石樁 返回 compaction pile