美国媒体说，美国政策的不确定性影响了供应链

https://content-static.cctvnews.cctv.com/snow-book/index.html?item_id=1242803793004137133 toc_style_id = Feeds_default share_to = copy_url track_id = 930ecce0-F31B-464-B941-357335D32615 https://content-static.cctvnews.cctv.com/snow-book/index.html?item_id=1242803793004137133& toc_style_id = feeds_default & share_to = copy_url & track_id = 930ECCE0-F31B-464-B941-357335D32615收费编辑：Zhang JU在讲话时遵循新闻对服务协议的回复。