{"stock_code": "600031", "stock_name": "三一重工", "market_type": "A", "analysis_date": "2026-05-14T12:10:44.613296", "structure_snapshot": {"structure_type": "consolidation", "ma200_position": "below", "phase": "unclear", "key_levels": [{"price": 19.8, "label": "支撑位1(头肩顶颈线)"}, {"price": 19.31, "label": "支撑位2(近期低点2026-04-24)"}, {"price": 21.16, "label": "压力位1(MA200)"}, {"price": 21.84, "label": "压力位2(近期高点2026-05-07)"}], "trend_description": "当前价格20.61，位于MA200(21.16)下方0.55元，MA60(21.04)下方0.43元，MA20(20