锘?!DOCTYPE html> ???㈣??????????璧疯?涓?棣?搴х??涧????瑙??㈣?楠?濉? 锘?!DOCTYPE html> 娌抽?㈡?伴??娌抽?㈢?抽???村??浜?寤鸿????风?浜????归???涓?

???㈣??????????璧疯?涓?棣?搴х??涧????瑙??㈣?楠?濉?

2021.03.19?ユ?锛???娌抽?€??

?ュ??锛????ㄩ???㈢??涧?????????朵???????杈??甸??濉?琛?涓?棣?搴х??涧????瑙??㈣?楠?濉??ㄦ?????姹?瀹???缁?绔???璇ヨ?楠?濉?涓虹??ご濉?锛??ㄩ?18.677m锛?涓讳????ㄤ?琛?涓?棣?娆″??ㄧ????涧????瑙????浠ュ??????寮哄害涓?灏?浜?900MPa??楂?寮鸿?????烘??杩??ュ???ㄦ?版????绛????朵腑锛???涧????瑙??㈢?ㄤ?浠f?挎????????瑙???????╀?杈??甸??濉?琛?涓??村??缁胯?茬???锛?涓鸿?绫讳骇???ㄨ??甸??濉?琛?涓?澶ц???村??ㄦ??渚?浜?寮烘??????????

???㈠???????伴┍?ㄣ??绉???寮?棰?锛????????ュ?ㄧ??????????骞冲?颁??匡??????磋В?㈤??琛?涓?????娌挎?ч??????剁害浼?涓???灞????抽???辨?ф?????涓哄??琛???涓???渚????蜂环?肩???㈤????????宸ヤ????¤В?虫?规???涓?灞变??靛伐?垫????㈠?寸????ㄧ???芥?浜???缃???寤鸿????藉??电????哥?归???寤鸿?瑙???锛?缁???杈??甸??濉??ㄦ????缁胯?茬?????杞诲?????瑰????灞?锛?绱у???浣?锛????????ユ渤?㈤???⑩??灞变??靛伐?垫????㈤??濉??ㄩ?㈠???扮????涓??浣?????????ㄨ???濉??????㈢??????涓?搴??ㄣ??

???㈤??瀵硅??甸??濉?瑙??㈣?姹?锛????洪???ㄨ????瑙??㈡?夸唬????????瑙????骞堕??杩?涓????宸ヤ?璇??讹?????????浜??ㄤ?????璇?楠?濉???Q420NH??Q355NH涓や釜??绉?????涧????瑙?????????ц?????瑙??㈡??楂?40%浠ヤ?锛????跺?烘????寮哄害涓?灏?浜?900MPa??楂?寮鸿?????烘??杩??ュ???ㄦ?版????锛?涓???濉??烘???归?????锋??杈?浣????典?宸??????澶х?搴︿?璇???????濉???瀹??ㄧǔ瀹???????锛????㈠?ㄨ??富????????濉??ㄨ?????㈡?归????虫?ヤ?3椤瑰????涓??╋???缂?浜?2椤硅?涓????????????