短语词组短语vibro -compaction sand pile 振冲碎石桩Sand compaction pile method 夯实砂桩法;挤压砂桩工法;砂桩加固法Sand compaction pile 挤密砂桩Method sand compaction pile 夯实砂椿法vibroflotation sand compaction pile 振冲挤密砂桩 返回 compaction sand pile