盡管原油價格走強形成成本支撐
，但當前行業供給壓力依然顯著――生產庫存高企
、channengchixushifang，shichanggongyingchongyu。yucitongshi
，xiayouxuqiubiaoxianpingdan，maoyihuanjiechuyuqukujieduan，gongchangcaigoujinshen，xindingdanzengchangfali。gongxuliangduanshangweixingchengyouxiaopingheng
，yujijinriPP市場價格將維持區間震蕩。