1ãè¿ç§è¯è¯çä¸çQ345Bæ¯å®å
¨å¯ä»¥çã
2ãè¯è¯çä¸ä¹ç§°ä¸ºç®¡ç¶çä¸æï¼å¯ä»¥éè¿è°æ´è¯ç²çåéæåç§ç±»åæ¯ä¾ï¼å¾æ¹ä¾¿å°è®¾è®¡åºåç§ä¸åç¨éï¼è磨ï¼é«å¼ºï¼èçï¼èèï¼èä½æ¸©çï¼ççæ¥ææï¼å 为å®çåéæåå¯çµæ´»æ¹ä¾¿çè°æ´ï¼æ以è¯è¯çä¸ç许å¤åç§æ¯å®å¿çä¸æ æ³å¶ç¼å轧å¶çãåæ¶è¯è¯çä¸ç±äºäº§åç»æçç¹ç¹ï¼çæ¥å·¥èºæ§è½åçæ¥æçç¸æ¯å®è¯çä¸ï¼æå·¥çæ¡æ´æä¼å¿ã
3ãQ345æ¯ä¸ç§é¢æçæè´¨ãå®æ¯ä½ç¢³åéé¢ï¼c<0.2%)ï¼ç»¼åæ§è½å¥½ï¼ä½æ¸©æ§è½å¥½ï¼å·å²åæ§è½ï¼çæ¥æ§è½åå¯ååæ§è½å¥½ã广æ³åºç¨äºæ¡¥æ¢ã车è¾ãè¹è¶ã建çãåå容å¨çãQ代表çæ¯è¿ç§æè´¨çå±æï¼åé¢ç345ï¼å°±æ¯æè¿ç§æè´¨çå±æå¼ï¼å¨345MPaå·¦å³ã并ä¼éçæè´¨çå度çå¢å è使å
¶å±æå¼åå°ã
温馨提示:答案为网友推荐,仅供参考