{"stock_code": "600031", "stock_name": "三一重工", "market_type": "A", "analysis_date": "2026-05-14T08:55:36.161105", "structure_snapshot": {"structure_type": "consolidation", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 19.8, "label": "头肩顶颈线（支撑位）"}, {"price": 19.31, "label": "近期低点（支撑位，2026-04-24）"}, {"price": 21.16, "label": "MA200（压力位）"}, {"price": 21.43, "label": "头肩底颈线（压力位）"}], "trend_description": "当前价格20.61，位于MA20（20.45）上方0.16元，位于MA5（21.15）下方0.54元，位于MA60（21.04）下方0.43