t25æ¯æ¿æçå度ï¼25mmã
çæ¿å·æ¿æçæ¯è½§å¶æ¹å¼çä¸åï¼çæ¿æéè¿ç轧æ¹å¼ç产çï¼è¡¨é¢è´¨éè¾å·®ï¼ä¸è¬ä½ä¸ºå¼å¯æè
ç产åæ¿ï¼å·æ¿æéè¿å·è½§ç产çæ¿æï¼è¡¨é¢è´¨é好ï¼èæ¿ã
345æ¯å±æ强度ï¼åä½ä¹æ¯MPaï¼æ²¡é®é¢ãå¦å¤ï¼Aæ¯æçææçç级ï¼åºè¯¥æ¯ä¼è´¨é¢ã
温馨提示:答案为网友推荐,仅供参考