???︾???瑙??????ㄧ?︾????烘??绋宠?琛?锛?绗??杞???娑ㄦ??撮??姝ュ?峰?达?甯??哄?????涓?瀹?杞??????︿??归??????ㄧ?︾??浜ц?藉?╃?ㄧ??杈?涓??ㄦ????锛???ysteel璋???缁?璁＄????︿??ㄦ?锋??骇?藉?╃?ㄧ??涓?3.5%??0.8%锛??︾???ュ??浜ч??67.2??0.8???︾??环?兼?璺?浼?绋冲??锛??????ゅ??鸿〃?扮?稿?寮哄?匡??︿???浜ф???????锛?涓?娓搁??璐????涓?????寸?︿?浜?????????浜ц抗璞°???︾?ゆ?归????舵??цˉ搴???缁?钩澶???锛?浠锋?奸??娓?骞崇ǔ锛??????ョ??渚?????骞宠　?舵??锛?????涓?瀛ｅ害?垮??浠锋?煎?冲??存?帮?甯??烘??缁??翠?涓?楂???涓?娓告?归???????甯??轰???复绮??㈠????浜х??棰???锛???璐?Н???ч?句互?????剧??澧???锛??㈠????璐????浣?搴?瀛?妯″?锛?琛ュ?蹇???璋ㄦ????缁煎???ョ??锛??????︾????哄?浠ョǔ涓轰富锛??????︾??环?艰蛋?夸??????瑰?虫敞涓?涓?娓稿??鸿?琛????点??

????ysteel缁?璁″?ㄥ??8涓?腐?ｇ?︾???瀛?涓?54.1 澧? 2.0 锛??朵腑????娓??︾???瀛?涓 38.1 ?? 3.3 锛???涓?10娓 202.2 澧? 7.8 锛?????娓 13.8 ?? 2.5 ??锛???浣?锛?涓????

?藉??涓绘??︾???拌揣浠锋?煎????琛???濡?涓?锛?灞辫タ?板?轰富娴?甯??哄??涓?绾ф箍???堕???︽?ヤ环1680-1800??/?????涓?绾у共???堕???︽?ヤ环1960-1990??/???涓?绾ф箍???堕???︽?ヤ环1750-1850??/???涓?绾у共???堕???︽?ヤ环2000-2100??/?ㄣ??灞变??板?虹?︾??环?煎??涓?骞茬??涓绘??ヤ环2100-2160??/????哄???版???????????ら??灏?澶????绾?730??/?????澶村??涓?1650??/???璧ゅ嘲浜?绾?.8??750-1850??/???涔?娴蜂?绾?500??/??????哄?????浠枫??